2217825

素因数分解:

$3^2\times 5^2\times {\mathrm{9857}}^1$

素因数の和:9873

約数の個数: 18

約数和(自身を含む): 3972774

約数和(自身を除く): 1754949

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 9857, 29571, 49285, 88713, 147855, 246425, 443565, 739275, 2217825]

約数ペア:

[(1, 2217825), (3, 739275), (5, 443565), (9, 246425), (15, 147855), (25, 88713), (45, 49285), (75, 29571), (225, 9857)]