2460375

素因数分解:

$3^9\times 5^3$

素因数の和:42

約数の個数: 40

約数和(自身を含む): 4605744

約数和(自身を除く): 2145369

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 675, 729, 1125, 1215, 2025, 2187, 3375, 3645, 6075, 6561, 10125, 10935, 18225, 19683, 30375, 32805, 54675, 91125, 98415, 164025, 273375, 492075, 820125, 2460375]

約数ペア:

[(1, 2460375), (3, 820125), (5, 492075), (9, 273375), (15, 164025), (25, 98415), (27, 91125), (45, 54675), (75, 32805), (81, 30375), (125, 19683), (135, 18225), (225, 10935), (243, 10125), (375, 6561), (405, 6075), (675, 3645), (729, 3375), (1125, 2187), (1215, 2025)]