31789185

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 54328320

約数和(自身を除く): 22539135

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 1571, 4047, 4713, 6745, 7855, 20235, 23565, 29849, 89547, 111541, 149245, 334623, 447735, 557705, 1673115, 2119279, 6357837, 10596395, 31789185]

約数ペア:

[(1, 31789185), (3, 10596395), (5, 6357837), (15, 2119279), (19, 1673115), (57, 557705), (71, 447735), (95, 334623), (213, 149245), (285, 111541), (355, 89547), (1065, 29849), (1349, 23565), (1571, 20235), (4047, 7855), (4713, 6745)]