72557121

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4357}}^1$

素因数の和:4441

約数の個数: 32

約数和(自身を含む): 121047808

約数和(自身を除く): 48490687

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1281, 2379, 4357, 5551, 13071, 16653, 30499, 56641, 91497, 169923, 265777, 396487, 797331, 1189461, 1860439, 3455101, 5581317, 10365303, 24185707, 72557121]

約数ペア:

[(1, 72557121), (3, 24185707), (7, 10365303), (13, 5581317), (21, 3455101), (39, 1860439), (61, 1189461), (91, 797331), (183, 396487), (273, 265777), (427, 169923), (793, 91497), (1281, 56641), (2379, 30499), (4357, 16653), (5551, 13071)]