389804967

素因数分解:

$3^4\times {\mathrm{1201}}^1\times {\mathrm{4007}}^1$

素因数の和:5220

約数の個数: 20

約数和(自身を含む): 582931536

約数和(自身を除く): 193126569

約数列:

[1, 3, 9, 27, 81, 1201, 3603, 4007, 10809, 12021, 32427, 36063, 97281, 108189, 324567, 4812407, 14437221, 43311663, 129934989, 389804967]

約数ペア:

[(1, 389804967), (3, 129934989), (9, 43311663), (27, 14437221), (81, 4812407), (1201, 324567), (3603, 108189), (4007, 97281), (10809, 36063), (12021, 32427)]