156720500991

素因数分解:

$3^2\times {\mathrm{857}}^1\times {\mathrm{20319007}}^1$

素因数の和:20319870

約数の個数: 12

約数和(自身を含む): 226638215232

約数和(自身を除く): 69917714241

約数列:

[1, 3, 9, 857, 2571, 7713, 20319007, 60957021, 182871063, 17413388999, 52240166997, 156720500991]

約数ペア:

[(1, 156720500991), (3, 52240166997), (9, 17413388999), (857, 182871063), (2571, 60957021), (7713, 20319007)]