2620125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 5037552

約数和(自身を除く): 2417427

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 137, 153, 225, 255, 375, 411, 425, 685, 765, 1125, 1233, 1275, 2055, 2125, 2329, 3425, 3825, 6165, 6375, 6987, 10275, 11645, 17125, 19125, 20961, 30825, 34935, 51375, 58225, 104805, 154125, 174675, 291125, 524025, 873375, 2620125]

約数ペア:

[(1, 2620125), (3, 873375), (5, 524025), (9, 291125), (15, 174675), (17, 154125), (25, 104805), (45, 58225), (51, 51375), (75, 34935), (85, 30825), (125, 20961), (137, 19125), (153, 17125), (225, 11645), (255, 10275), (375, 6987), (411, 6375), (425, 6165), (685, 3825), (765, 3425), (1125, 2329), (1233, 2125), (1275, 2055)]