2160225

素因数分解:

$3^2\times 5^2\times {\mathrm{9601}}^1$

素因数の和:9617

約数の個数: 18

約数和(自身を含む): 3869606

約数和(自身を除く): 1709381

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 9601, 28803, 48005, 86409, 144015, 240025, 432045, 720075, 2160225]

約数ペア:

[(1, 2160225), (3, 720075), (5, 432045), (9, 240025), (15, 144015), (25, 86409), (45, 48005), (75, 28803), (225, 9601)]