31388273

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:814

約数の個数: 20

約数和(自身を含む): 38821860

約数和(自身を除く): 7433587

約数列:

[1, 7, 17, 49, 119, 343, 769, 833, 2401, 5383, 5831, 13073, 37681, 40817, 91511, 263767, 640577, 1846369, 4484039, 31388273]

約数ペア:

[(1, 31388273), (7, 4484039), (17, 1846369), (49, 640577), (119, 263767), (343, 91511), (769, 40817), (833, 37681), (2401, 13073), (5383, 5831)]