31393485

素因数分解:

$3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2381}}^1$

素因数の和:2685

約数の個数: 24

約数和(自身を含む): 54624024

約数和(自身を除く): 23230539

約数列:

[1, 3, 5, 9, 15, 45, 293, 879, 1465, 2381, 2637, 4395, 7143, 11905, 13185, 21429, 35715, 107145, 697633, 2092899, 3488165, 6278697, 10464495, 31393485]

約数ペア:

[(1, 31393485), (3, 10464495), (5, 6278697), (9, 3488165), (15, 2092899), (45, 697633), (293, 107145), (879, 35715), (1465, 21429), (2381, 13185), (2637, 11905), (4395, 7143)]