156738001721

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{139075423}}^1$

素因数の和:139075460

約数の個数: 12

約数和(自身を含む): 190255180032

約数和(自身を除く): 33517178311

約数列:

[1, 7, 23, 49, 161, 1127, 139075423, 973527961, 3198734729, 6814695727, 22391143103, 156738001721]

約数ペア:

[(1, 156738001721), (7, 22391143103), (23, 6814695727), (49, 3198734729), (161, 973527961), (1127, 139075423)]