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A055699 Numbers n such that n | Sigma_5(n) + Phi(n)^5. +0
1
1, 2, 12, 34, 44, 90, 168, 258, 752, 765, 954, 1343, 2795, 3336, 4114, 4200, 5964, 6354, 9118, 11070, 11504, 11904, 15800, 20368, 40070, 48950, 65670, 91800, 94240 (list; graph; listen)
OFFSET

1,2

COMMENT

sigma_5(n) is the sum of the 5th powers of the divisors of n.

MATHEMATICA

Do[If[Mod[DivisorSigma[5, n]+EulerPhi[n]^5, n]==0, Print[n]], {n, 1, 10^5}]

CROSSREFS

Sequence in context: A106185 A098203 A055707 this_sequence A062094 A011379 A073404

Adjacent sequences: A055696 A055697 A055698 this_sequence A055700 A055701 A055702

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2000

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Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.


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