1666899

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1583}}^1$

素因数の和:1608

約数の個数: 20

約数和(自身を含む): 2683296

約数和(自身を除く): 1016397

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1583, 4749, 14247, 20579, 42741, 61737, 128223, 185211, 555633, 1666899]

約数ペア:

[(1, 1666899), (3, 555633), (9, 185211), (13, 128223), (27, 61737), (39, 42741), (81, 20579), (117, 14247), (351, 4749), (1053, 1583)]