31123969

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 33172480

約数和(自身を除く): 2048511

約数列:

[1, 31, 61, 109, 151, 1891, 3379, 4681, 6649, 9211, 16459, 206119, 285541, 510229, 1003999, 31123969]

約数ペア:

[(1, 31123969), (31, 1003999), (61, 510229), (109, 285541), (151, 206119), (1891, 16459), (3379, 9211), (4681, 6649)]