167820121

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{7499}}^1$

素因数の和:7668

約数の個数: 16

約数和(自身を含む): 201600000

約数和(自身を除く): 33779879

約数列:

[1, 7, 23, 139, 161, 973, 3197, 7499, 22379, 52493, 172477, 1042361, 1207339, 7296527, 23974303, 167820121]

約数ペア:

[(1, 167820121), (7, 23974303), (23, 7296527), (139, 1207339), (161, 1042361), (973, 172477), (3197, 52493), (7499, 22379)]