30981679

素因数分解:

${\mathrm{31}}^2\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:478

約数の個数: 12

約数和(自身を含む): 32427408

約数和(自身を除く): 1445729

約数列:

[1, 31, 103, 313, 961, 3193, 9703, 32239, 98983, 300793, 999409, 30981679]

約数ペア:

[(1, 30981679), (31, 999409), (103, 300793), (313, 98983), (961, 32239), (3193, 9703)]