393721341

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{142189}}^1$

素因数の和:142276

約数の個数: 16

約数和(自身を含む): 573310080

約数和(自身を除く): 179588739

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 142189, 426567, 1848457, 5545371, 10095419, 30286257, 131240447, 393721341]

約数ペア:

[(1, 393721341), (3, 131240447), (13, 30286257), (39, 10095419), (71, 5545371), (213, 1848457), (923, 426567), (2769, 142189)]