31327709

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 37997568

約数和(自身を除く): 6669859

約数列:

[1, 7, 47, 49, 61, 223, 329, 427, 1561, 2303, 2867, 2989, 10481, 10927, 13603, 20069, 73367, 95221, 140483, 513569, 639341, 666547, 4475387, 31327709]

約数ペア:

[(1, 31327709), (7, 4475387), (47, 666547), (49, 639341), (61, 513569), (223, 140483), (329, 95221), (427, 73367), (1561, 20069), (2303, 13603), (2867, 10927), (2989, 10481)]