A175081 Values taken by the sum of perfect divisors of n (A175067) sorted into ascending order.

1, 2, 3, 5, 6, 6, 7, 10, 10, 11, 12, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 22, 23, 24, 26, 28, 29, 30, 30, 30, 31, 33, 34, 34, 35, 37, 38, 39, 40, 41, 42, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 72, 73

Offset

1,2

Comments

Perfect divisor of n is divisor d such that d^k = n for some k >= 1. See A089723 (number of perfect divisors of n) and A175067 (sum of perfect divisors of n).

Links

Table of n, a(n) for n=1..72.

Crossrefs

Sequence in context: A165085 A309560 A128054 * A023834 A084735 A002734

Adjacent sequences: A175078 A175079 A175080 * A175082 A175083 A175084

Keyword

nonn

Author

Jaroslav Krizek, Jan 24 2010

Status

approved