12909375

素因数分解:

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

素因数の和:57

約数の個数: 72

約数和(自身を含む): 25592112

約数和(自身を除く): 12682737

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, 16875, 19125, 20655, 28125, 30375, 31875, 34425, 50625, 53125, 57375, 84375, 95625, 103275, 151875, 159375, 172125, 253125, 286875, 478125, 516375, 759375, 860625, 1434375, 2581875, 4303125, 12909375]

約数ペア:

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