222597315

素因数分解:

$3^4\times 5^1\times {\mathrm{549623}}^1$

素因数の和:549640

約数の個数: 20

約数和(自身を含む): 399027024

約数和(自身を除く): 176429709

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 549623, 1648869, 2748115, 4946607, 8244345, 14839821, 24733035, 44519463, 74199105, 222597315]

約数ペア:

[(1, 222597315), (3, 74199105), (5, 44519463), (9, 24733035), (15, 14839821), (27, 8244345), (45, 4946607), (81, 2748115), (135, 1648869), (405, 549623)]