2040705

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 3580200

約数和(自身を除く): 1539495

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 449, 505, 909, 1347, 1515, 2245, 4041, 4545, 6735, 20205, 45349, 136047, 226745, 408141, 680235, 2040705]

約数ペア:

[(1, 2040705), (3, 680235), (5, 408141), (9, 226745), (15, 136047), (45, 45349), (101, 20205), (303, 6735), (449, 4545), (505, 4041), (909, 2245), (1347, 1515)]