199428525

素因数分解:

$3^2\times 5^2\times {\mathrm{886349}}^1$

素因数の和:886365

約数の個数: 18

約数和(自身を含む): 357199050

約数和(自身を除く): 157770525

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 886349, 2659047, 4431745, 7977141, 13295235, 22158725, 39885705, 66476175, 199428525]

約数ペア:

[(1, 199428525), (3, 66476175), (5, 39885705), (9, 22158725), (15, 13295235), (25, 7977141), (45, 4431745), (75, 2659047), (225, 886349)]