40087665

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12547}}^1$

素因数の和:12629

約数の個数: 24

約数和(自身を含む): 70469568

約数和(自身を除く): 30381903

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 12547, 37641, 62735, 112923, 188205, 564615, 890837, 2672511, 4454185, 8017533, 13362555, 40087665]

約数ペア:

[(1, 40087665), (3, 13362555), (5, 8017533), (9, 4454185), (15, 2672511), (45, 890837), (71, 564615), (213, 188205), (355, 112923), (639, 62735), (1065, 37641), (3195, 12547)]