1261562205

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{93553}}^1$

素因数の和:93621

約数の個数: 32

約数和(自身を含む): 2155484160

約数和(自身を除く): 893921955

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 2697, 4495, 13485, 93553, 280659, 467765, 1403295, 2713037, 2900143, 8139111, 8700429, 13565185, 14500715, 40695555, 43502145, 84104147, 252312441, 420520735, 1261562205]

約数ペア:

[(1, 1261562205), (3, 420520735), (5, 252312441), (15, 84104147), (29, 43502145), (31, 40695555), (87, 14500715), (93, 13565185), (145, 8700429), (155, 8139111), (435, 2900143), (465, 2713037), (899, 1403295), (2697, 467765), (4495, 280659), (13485, 93553)]