11971665

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1334

約数の個数: 32

約数和(自身を含む): 21600000

約数和(自身を除く): 9628335

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1249, 1917, 3195, 3747, 6245, 9585, 11241, 18735, 33723, 56205, 88679, 168615, 266037, 443395, 798111, 1330185, 2394333, 3990555, 11971665]

約数ペア:

[(1, 11971665), (3, 3990555), (5, 2394333), (9, 1330185), (15, 798111), (27, 443395), (45, 266037), (71, 168615), (135, 88679), (213, 56205), (355, 33723), (639, 18735), (1065, 11241), (1249, 9585), (1917, 6245), (3195, 3747)]