20185281621

素因数分解:

$3^3\times {\mathrm{307}}^1\times {\mathrm{2435189}}^1$

素因数の和:2435505

約数の個数: 16

約数和(自身を含む): 30001540800

約数和(自身を除く): 9816259179

約数列:

[1, 3, 9, 27, 307, 921, 2763, 8289, 2435189, 7305567, 21916701, 65750103, 747603023, 2242809069, 6728427207, 20185281621]

約数ペア:

[(1, 20185281621), (3, 6728427207), (9, 2242809069), (27, 747603023), (307, 65750103), (921, 21916701), (2763, 7305567), (8289, 2435189)]