121980279

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1\times {\mathrm{661}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 164440800

約数和(自身を除く): 42460521

約数列:

[1, 3, 137, 411, 449, 661, 1347, 1983, 61513, 90557, 184539, 271671, 296789, 890367, 40660093, 121980279]

約数ペア:

[(1, 121980279), (3, 40660093), (137, 890367), (411, 296789), (449, 271671), (661, 184539), (1347, 90557), (1983, 61513)]