256606161

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{82009}}^1$

素因数の和:82168

約数の個数: 16

約数和(自身を含む): 393648000

約数和(自身を除く): 137041839

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 82009, 246027, 574063, 1722189, 12219341, 36658023, 85535387, 256606161]

約数ペア:

[(1, 256606161), (3, 85535387), (7, 36658023), (21, 12219341), (149, 1722189), (447, 574063), (1043, 246027), (3129, 82009)]