420052257

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{379451}}^1$

素因数の和:379501

約数の個数: 16

約数和(自身を含む): 637479360

約数和(自身を除く): 217427103

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 379451, 1138353, 3415059, 10245177, 15557491, 46672473, 140017419, 420052257]

約数ペア:

[(1, 420052257), (3, 140017419), (9, 46672473), (27, 15557491), (41, 10245177), (123, 3415059), (369, 1138353), (1107, 379451)]