664007679

素因数分解:

$3^3\times {\mathrm{1201}}^1\times {\mathrm{20477}}^1$

素因数の和:21687

約数の個数: 16

約数和(自身を含む): 984582240

約数和(自身を除く): 320574561

約数列:

[1, 3, 9, 27, 1201, 3603, 10809, 20477, 32427, 61431, 184293, 552879, 24592877, 73778631, 221335893, 664007679]

約数ペア:

[(1, 664007679), (3, 221335893), (9, 73778631), (27, 24592877), (1201, 552879), (3603, 184293), (10809, 61431), (20477, 32427)]