221610903

素因数分解:

$3^1\times {\mathrm{59}}^2\times {\mathrm{21221}}^1$

素因数の和:21342

約数の個数: 12

約数和(自身を含む): 300588408

約数和(自身を除く): 78977505

約数列:

[1, 3, 59, 177, 3481, 10443, 21221, 63663, 1252039, 3756117, 73870301, 221610903]

約数ペア:

[(1, 221610903), (3, 73870301), (59, 3756117), (177, 1252039), (3481, 63663), (10443, 21221)]