18222525

素因数分解:

$3^2\times 5^2\times {\mathrm{80989}}^1$

素因数の和:81005

約数の個数: 18

約数和(自身を含む): 32638970

約数和(自身を除く): 14416445

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 80989, 242967, 404945, 728901, 1214835, 2024725, 3644505, 6074175, 18222525]

約数ペア:

[(1, 18222525), (3, 6074175), (5, 3644505), (9, 2024725), (15, 1214835), (25, 728901), (45, 404945), (75, 242967), (225, 80989)]