320420121

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{111373}}^1$

素因数の和:111520

約数の個数: 16

約数和(自身を含む): 491827584

約数和(自身を除く): 171407463

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 111373, 334119, 779611, 2338833, 15258101, 45774303, 106806707, 320420121]

約数ペア:

[(1, 320420121), (3, 106806707), (7, 45774303), (21, 15258101), (137, 2338833), (411, 779611), (959, 334119), (2877, 111373)]