201571251

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{10009}}^1$

素因数の和:10163

約数の個数: 24

約数和(自身を含む): 314954640

約数和(自身を除く): 113383389

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 2877, 6713, 10009, 20139, 30027, 70063, 210189, 490441, 1371233, 1471323, 4113699, 9598631, 28795893, 67190417, 201571251]

約数ペア:

[(1, 201571251), (3, 67190417), (7, 28795893), (21, 9598631), (49, 4113699), (137, 1471323), (147, 1371233), (411, 490441), (959, 210189), (2877, 70063), (6713, 30027), (10009, 20139)]