318903

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:83

約数の個数: 24

約数和(自身を含む): 500688

約数和(自身を除く): 181785

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 169, 221, 481, 507, 629, 663, 1443, 1887, 2873, 6253, 8177, 8619, 18759, 24531, 106301, 318903]

約数ペア:

[(1, 318903), (3, 106301), (13, 24531), (17, 18759), (37, 8619), (39, 8177), (51, 6253), (111, 2873), (169, 1887), (221, 1443), (481, 663), (507, 629)]