31391437

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{13151}}^1$

素因数の和:13200

約数の個数: 16

約数和(自身を含む): 40402944

約数和(自身を除く): 9011507

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 13151, 92057, 144661, 407681, 1012627, 2853767, 4484491, 31391437]

約数ペア:

[(1, 31391437), (7, 4484491), (11, 2853767), (31, 1012627), (77, 407681), (217, 144661), (341, 92057), (2387, 13151)]