3988125

素因数分解:

$3^2\times 5^4\times {\mathrm{709}}^1$

素因数の和:735

約数の個数: 30

約数和(自身を含む): 7208630

約数和(自身を除く): 3220505

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 709, 1125, 1875, 2127, 3545, 5625, 6381, 10635, 17725, 31905, 53175, 88625, 159525, 265875, 443125, 797625, 1329375, 3988125]

約数ペア:

[(1, 3988125), (3, 1329375), (5, 797625), (9, 443125), (15, 265875), (25, 159525), (45, 88625), (75, 53175), (125, 31905), (225, 17725), (375, 10635), (625, 6381), (709, 5625), (1125, 3545), (1875, 2127)]