231640881

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1\times {\mathrm{911}}^1$

素因数の和:1692

約数の個数: 16

約数和(自身を含む): 312035328

約数和(自身を除く): 80394447

約数列:

[1, 3, 131, 393, 647, 911, 1941, 2733, 84757, 119341, 254271, 358023, 589417, 1768251, 77213627, 231640881]

約数ペア:

[(1, 231640881), (3, 77213627), (131, 1768251), (393, 589417), (647, 358023), (911, 254271), (1941, 119341), (2733, 84757)]