6639157

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 8306496

約数和(自身を除く): 1667339

約数列:

[1, 7, 23, 43, 49, 137, 161, 301, 959, 989, 1127, 2107, 3151, 5891, 6713, 6923, 22057, 41237, 48461, 135493, 154399, 288659, 948451, 6639157]

約数ペア:

[(1, 6639157), (7, 948451), (23, 288659), (43, 154399), (49, 135493), (137, 48461), (161, 41237), (301, 22057), (959, 6923), (989, 6713), (1127, 5891), (2107, 3151)]