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Search: id:A100879
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A100879 n^{sum of its divisors}. +0
1
1, 8, 81, 16384, 15625, 2176782336, 5764801, 35184372088832, 2541865828329, 1000000000000000000, 3138428376721, 1648446623609512543951043690496, 3937376385699289, 3214199700417740936751087616 (list; graph; listen)
OFFSET

1,2

EXAMPLE

a(1) = 1^1 = 1

a(2) = 2^(1+2) = 8

a(3) = 3^(1+3) = 81

a(4) = 4^(1+2+4) = 16384

MAPLE

with(numtheory): seq(n^add(d, d=divisors(n)), n=1..17); (C. Ronaldo)

CROSSREFS

Sequence in context: A100399 A022504 A104126 this_sequence A080811 A073699 A068173

Adjacent sequences: A100876 A100877 A100878 this_sequence A100880 A100881 A100882

KEYWORD

easy,nonn

AUTHOR

Odimar Fabeny (aifab(AT)yahoo.com.br), Jan 09 2005

EXTENSIONS

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 19 2005

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Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.


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