2581875

素因数分解:

$3^5\times 5^4\times {\mathrm{17}}^1$

素因数の和:52

約数の個数: 60

約数和(自身を含む): 5117112

約数和(自身を除く): 2535237

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 125, 135, 153, 225, 243, 255, 375, 405, 425, 459, 625, 675, 765, 1125, 1215, 1275, 1377, 1875, 2025, 2125, 2295, 3375, 3825, 4131, 5625, 6075, 6375, 6885, 10125, 10625, 11475, 16875, 19125, 20655, 30375, 31875, 34425, 50625, 57375, 95625, 103275, 151875, 172125, 286875, 516375, 860625, 2581875]

約数ペア:

[(1, 2581875), (3, 860625), (5, 516375), (9, 286875), (15, 172125), (17, 151875), (25, 103275), (27, 95625), (45, 57375), (51, 50625), (75, 34425), (81, 31875), (85, 30375), (125, 20655), (135, 19125), (153, 16875), (225, 11475), (243, 10625), (255, 10125), (375, 6885), (405, 6375), (425, 6075), (459, 5625), (625, 4131), (675, 3825), (765, 3375), (1125, 2295), (1215, 2125), (1275, 2025), (1377, 1875)]