2009131875

素因数分解:

$3^2\times 5^4\times {\mathrm{357179}}^1$

素因数の和:357205

約数の個数: 30

約数和(自身を含む): 3626448540

約数和(自身を除く): 1617316665

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 5625, 357179, 1071537, 1785895, 3214611, 5357685, 8929475, 16073055, 26788425, 44647375, 80365275, 133942125, 223236875, 401826375, 669710625, 2009131875]

約数ペア:

[(1, 2009131875), (3, 669710625), (5, 401826375), (9, 223236875), (15, 133942125), (25, 80365275), (45, 44647375), (75, 26788425), (125, 16073055), (225, 8929475), (375, 5357685), (625, 3214611), (1125, 1785895), (1875, 1071537), (5625, 357179)]