20163650577

素因数分解:

$3^1\times 7^2\times {\mathrm{137167691}}^1$

素因数の和:137167708

約数の個数: 12

約数和(自身を含む): 31274233776

約数和(自身を除く): 11110583199

約数列:

[1, 3, 7, 21, 49, 147, 137167691, 411503073, 960173837, 2880521511, 6721216859, 20163650577]

約数ペア:

[(1, 20163650577), (3, 6721216859), (7, 2880521511), (21, 960173837), (49, 411503073), (147, 137167691)]