2178945

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 3872232

約数和(自身を除く): 1693287

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1181, 1845, 3543, 5905, 10629, 17715, 48421, 53145, 145263, 242105, 435789, 726315, 2178945]

約数ペア:

[(1, 2178945), (3, 726315), (5, 435789), (9, 242105), (15, 145263), (41, 53145), (45, 48421), (123, 17715), (205, 10629), (369, 5905), (615, 3543), (1181, 1845)]