161538481

素因数分解:

${\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{6977}}^1$

素因数の和:7140

約数の個数: 12

約数和(自身を含む): 176222412

約数和(自身を除く): 14683931

約数列:

[1, 13, 137, 169, 1781, 6977, 23153, 90701, 955849, 1179113, 12426037, 161538481]

約数ペア:

[(1, 161538481), (13, 12426037), (137, 1179113), (169, 955849), (1781, 90701), (6977, 23153)]