64890675

素因数分解:

$3^2\times 5^2\times {\mathrm{288403}}^1$

素因数の和:288419

約数の個数: 18

約数和(自身を含む): 116226812

約数和(自身を除く): 51336137

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 288403, 865209, 1442015, 2595627, 4326045, 7210075, 12978135, 21630225, 64890675]

約数ペア:

[(1, 64890675), (3, 21630225), (5, 12978135), (9, 7210075), (15, 4326045), (25, 2595627), (45, 1442015), (75, 865209), (225, 288403)]