2407239

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 20

約数和(自身を含む): 3641616

約数和(自身を除く): 1234377

約数列:

[1, 3, 9, 27, 81, 113, 263, 339, 789, 1017, 2367, 3051, 7101, 9153, 21303, 29719, 89157, 267471, 802413, 2407239]

約数ペア:

[(1, 2407239), (3, 802413), (9, 267471), (27, 89157), (81, 29719), (113, 21303), (263, 9153), (339, 7101), (789, 3051), (1017, 2367)]