15720189

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1279}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 22302720

約数和(自身を除く): 6582531

約数列:

[1, 3, 17, 51, 241, 723, 1279, 3837, 4097, 12291, 21743, 65229, 308239, 924717, 5240063, 15720189]

約数ペア:

[(1, 15720189), (3, 5240063), (17, 924717), (51, 308239), (241, 65229), (723, 21743), (1279, 12291), (3837, 4097)]