31381883

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 35392896

約数和(自身を除く): 4011013

約数列:

[1, 13, 37, 53, 481, 689, 1231, 1961, 16003, 25493, 45547, 65243, 592111, 848159, 2413991, 31381883]

約数ペア:

[(1, 31381883), (13, 2413991), (37, 848159), (53, 592111), (481, 65243), (689, 45547), (1231, 25493), (1961, 16003)]