128432157

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{44641}}^1$

素因数の和:44788

約数の個数: 16

約数和(自身を含む): 197139072

約数和(自身を除く): 68706915

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 44641, 133923, 312487, 937461, 6115817, 18347451, 42810719, 128432157]

約数ペア:

[(1, 128432157), (3, 42810719), (7, 18347451), (21, 6115817), (137, 937461), (411, 312487), (959, 133923), (2877, 44641)]