73153125

素因数分解:

$3^4\times 5^5\times {\mathrm{17}}^2$

素因数の和:71

約数の個数: 90

約数和(自身を含む): 145096182

約数和(自身を除く): 71943057

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 125, 135, 153, 225, 255, 289, 375, 405, 425, 459, 625, 675, 765, 867, 1125, 1275, 1377, 1445, 1875, 2025, 2125, 2295, 2601, 3125, 3375, 3825, 4335, 5625, 6375, 6885, 7225, 7803, 9375, 10125, 10625, 11475, 13005, 16875, 19125, 21675, 23409, 28125, 31875, 34425, 36125, 39015, 50625, 53125, 57375, 65025, 84375, 95625, 108375, 117045, 159375, 172125, 180625, 195075, 253125, 286875, 325125, 478125, 541875, 585225, 860625, 903125, 975375, 1434375, 1625625, 2709375, 2926125, 4303125, 4876875, 8128125, 14630625, 24384375, 73153125]

約数ペア:

[(1, 73153125), (3, 24384375), (5, 14630625), (9, 8128125), (15, 4876875), (17, 4303125), (25, 2926125), (27, 2709375), (45, 1625625), (51, 1434375), (75, 975375), (81, 903125), (85, 860625), (125, 585225), (135, 541875), (153, 478125), (225, 325125), (255, 286875), (289, 253125), (375, 195075), (405, 180625), (425, 172125), (459, 159375), (625, 117045), (675, 108375), (765, 95625), (867, 84375), (1125, 65025), (1275, 57375), (1377, 53125), (1445, 50625), (1875, 39015), (2025, 36125), (2125, 34425), (2295, 31875), (2601, 28125), (3125, 23409), (3375, 21675), (3825, 19125), (4335, 16875), (5625, 13005), (6375, 11475), (6885, 10625), (7225, 10125), (7803, 9375)]