1669977

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:454

約数の個数: 20

約数和(自身を含む): 2548260

約数和(自身を除く): 878283

約数列:

[1, 3, 9, 27, 53, 81, 159, 389, 477, 1167, 1431, 3501, 4293, 10503, 20617, 31509, 61851, 185553, 556659, 1669977]

約数ペア:

[(1, 1669977), (3, 556659), (9, 185553), (27, 61851), (53, 31509), (81, 20617), (159, 10503), (389, 4293), (477, 3501), (1167, 1431)]