31506579

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14173}}^1$

素因数の和:14211

約数の個数: 24

約数和(自身を含む): 51593360

約数和(自身を除く): 20086781

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 14173, 42519, 127557, 184249, 269287, 552747, 807861, 1658241, 2423583, 3500731, 10502193, 31506579]

約数ペア:

[(1, 31506579), (3, 10502193), (9, 3500731), (13, 2423583), (19, 1658241), (39, 807861), (57, 552747), (117, 269287), (171, 184249), (247, 127557), (741, 42519), (2223, 14173)]