399967527

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1\times {\mathrm{2609}}^1$

素因数の和:3122

約数の個数: 16

約数和(自身を含む): 538829280

約数和(自身を除く): 138861753

約数列:

[1, 3, 137, 373, 411, 1119, 2609, 7827, 51101, 153303, 357433, 973157, 1072299, 2919471, 133322509, 399967527]

約数ペア:

[(1, 399967527), (3, 133322509), (137, 2919471), (373, 1072299), (411, 973157), (1119, 357433), (2609, 153303), (7827, 51101)]