64546875

素因数分解:

$3^5\times 5^6\times {\mathrm{17}}^1$

素因数の和:62

約数の個数: 84

約数和(自身を含む): 127967112

約数和(自身を除く): 63420237

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, 3125, 3375, 3825, 4131, 5625, 6075, 6375, 6885, 9375, 10125, 10625, 11475, 15625, 16875, 19125, 20655, 28125, 30375, 31875, 34425, 46875, 50625, 53125, 57375, 84375, 95625, 103275, 140625, 151875, 159375, 172125, 253125, 265625, 286875, 421875, 478125, 516375, 759375, 796875, 860625, 1265625, 1434375, 2390625, 2581875, 3796875, 4303125, 7171875, 12909375, 21515625, 64546875]

約数ペア:

[(1, 64546875), (3, 21515625), (5, 12909375), (9, 7171875), (15, 4303125), (17, 3796875), (25, 2581875), (27, 2390625), (45, 1434375), (51, 1265625), (75, 860625), (81, 796875), (85, 759375), (125, 516375), (135, 478125), (153, 421875), (225, 286875), (243, 265625), (255, 253125), (375, 172125), (405, 159375), (425, 151875), (459, 140625), (625, 103275), (675, 95625), (765, 84375), (1125, 57375), (1215, 53125), (1275, 50625), (1377, 46875), (1875, 34425), (2025, 31875), (2125, 30375), (2295, 28125), (3125, 20655), (3375, 19125), (3825, 16875), (4131, 15625), (5625, 11475), (6075, 10625), (6375, 10125), (6885, 9375)]