2685015

素因数分解:

$3^3\times 5^1\times {\mathrm{19889}}^1$

素因数の和:19903

約数の個数: 16

約数和(自身を含む): 4773600

約数和(自身を除く): 2088585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 19889, 59667, 99445, 179001, 298335, 537003, 895005, 2685015]

約数ペア:

[(1, 2685015), (3, 895005), (5, 537003), (9, 298335), (15, 179001), (27, 99445), (45, 59667), (135, 19889)]