204366939

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{18679}}^1$

素因数の和:19210

約数の個数: 16

約数和(自身を含む): 312030720

約数和(自身を除く): 107663781

約数列:

[1, 3, 7, 21, 521, 1563, 3647, 10941, 18679, 56037, 130753, 392259, 9731759, 29195277, 68122313, 204366939]

約数ペア:

[(1, 204366939), (3, 68122313), (7, 29195277), (21, 9731759), (521, 392259), (1563, 130753), (3647, 56037), (10941, 18679)]