391569153

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 551611392

約数和(自身を除く): 160042239

約数列:

[1, 3, 31, 73, 93, 137, 219, 411, 421, 1263, 2263, 4247, 6789, 10001, 12741, 13051, 30003, 30733, 39153, 57677, 92199, 173031, 310031, 930093, 952723, 1787987, 2858169, 4210421, 5363961, 12631263, 130523051, 391569153]

約数ペア:

[(1, 391569153), (3, 130523051), (31, 12631263), (73, 5363961), (93, 4210421), (137, 2858169), (219, 1787987), (411, 952723), (421, 930093), (1263, 310031), (2263, 173031), (4247, 92199), (6789, 57677), (10001, 39153), (12741, 30733), (13051, 30003)]