123991398

素因数分解:

$2^1\times 3^4\times {\mathrm{765379}}^1$

素因数の和:765393

約数の個数: 20

約数和(自身を含む): 277832940

約数和(自身を除く): 153841542

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 765379, 1530758, 2296137, 4592274, 6888411, 13776822, 20665233, 41330466, 61995699, 123991398]

約数ペア:

[(1, 123991398), (2, 61995699), (3, 41330466), (6, 20665233), (9, 13776822), (18, 6888411), (27, 4592274), (54, 2296137), (81, 1530758), (162, 765379)]