31528161

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5623}}^1$

素因数の和:5725

約数の個数: 24

約数和(自身を含む): 52640640

約数和(自身を除く): 21112479

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 5623, 16869, 39361, 50607, 118083, 354249, 500447, 1501341, 3503129, 4504023, 10509387, 31528161]

約数ペア:

[(1, 31528161), (3, 10509387), (7, 4504023), (9, 3503129), (21, 1501341), (63, 500447), (89, 354249), (267, 118083), (623, 50607), (801, 39361), (1869, 16869), (5607, 5623)]