2855115

素因数分解:

$3^3\times 5^1\times {\mathrm{21149}}^1$

素因数の和:21163

約数の個数: 16

約数和(自身を含む): 5076000

約数和(自身を除く): 2220885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 21149, 63447, 105745, 190341, 317235, 571023, 951705, 2855115]

約数ペア:

[(1, 2855115), (3, 951705), (5, 571023), (9, 317235), (15, 190341), (27, 105745), (45, 63447), (135, 21149)]