263135871

素因数分解:

$3^4\times {\mathrm{359}}^1\times {\mathrm{9049}}^1$

素因数の和:9420

約数の個数: 20

約数和(自身を含む): 394218000

約数和(自身を除く): 131082129

約数列:

[1, 3, 9, 27, 81, 359, 1077, 3231, 9049, 9693, 27147, 29079, 81441, 244323, 732969, 3248591, 9745773, 29237319, 87711957, 263135871]

約数ペア:

[(1, 263135871), (3, 87711957), (9, 29237319), (27, 9745773), (81, 3248591), (359, 732969), (1077, 244323), (3231, 81441), (9049, 29079), (9693, 27147)]