31190915

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5981}}^1$

素因数の和:6142

約数の個数: 16

約数和(自身を含む): 43070400

約数和(自身を除く): 11879485

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 5981, 29905, 41867, 209335, 891169, 4455845, 6238183, 31190915]

約数ペア:

[(1, 31190915), (5, 6238183), (7, 4455845), (35, 891169), (149, 209335), (745, 41867), (1043, 29905), (5215, 5981)]