289815903

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{190543}}^1$

素因数の和:190575

約数の個数: 18

約数和(自身を含む): 453304176

約数和(自身を除く): 163488273

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 190543, 571629, 1714887, 2477059, 7431177, 22293531, 32201767, 96605301, 289815903]

約数ペア:

[(1, 289815903), (3, 96605301), (9, 32201767), (13, 22293531), (39, 7431177), (117, 2477059), (169, 1714887), (507, 571629), (1521, 190543)]