664873365

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179453}}^1$

素因数の和:179493

約数の個数: 32

約数和(自身を含む): 1205930880

約数和(自身を除く): 541057515

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 179453, 538359, 897265, 2332889, 2691795, 3409607, 6998667, 10228821, 11664445, 17048035, 34993335, 44324891, 51144105, 132974673, 221624455, 664873365]

約数ペア:

[(1, 664873365), (3, 221624455), (5, 132974673), (13, 51144105), (15, 44324891), (19, 34993335), (39, 17048035), (57, 11664445), (65, 10228821), (95, 6998667), (195, 3409607), (247, 2691795), (285, 2332889), (741, 897265), (1235, 538359), (3705, 179453)]