13581621

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{9491}}^1$

素因数の和:9553

約数の個数: 16

約数和(自身を含む): 20502720

約数和(自身を除く): 6921099

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 9491, 28473, 85419, 256257, 503023, 1509069, 4527207, 13581621]

約数ペア:

[(1, 13581621), (3, 4527207), (9, 1509069), (27, 503023), (53, 256257), (159, 85419), (477, 28473), (1431, 9491)]