31380765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12379}}^1$

素因数の和:12413

約数の個数: 24

約数和(自身を含む): 54372960

約数和(自身を除く): 22992195

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 12379, 37137, 61895, 160927, 185685, 482781, 804635, 2092051, 2413905, 6276153, 10460255, 31380765]

約数ペア:

[(1, 31380765), (3, 10460255), (5, 6276153), (13, 2413905), (15, 2092051), (39, 804635), (65, 482781), (169, 185685), (195, 160927), (507, 61895), (845, 37137), (2535, 12379)]