2857905

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1549}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 5077800

約数和(自身を除く): 2219895

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1549, 1845, 4647, 7745, 13941, 23235, 63509, 69705, 190527, 317545, 571581, 952635, 2857905]

約数ペア:

[(1, 2857905), (3, 952635), (5, 571581), (9, 317545), (15, 190527), (41, 69705), (45, 63509), (123, 23235), (205, 13941), (369, 7745), (615, 4647), (1549, 1845)]