172125

素因数分解:

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

素因数の和:44

約数の個数: 40

約数和(自身を含む): 339768

約数和(自身を除く): 167643

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 125, 135, 153, 225, 255, 375, 405, 425, 459, 675, 765, 1125, 1275, 1377, 2025, 2125, 2295, 3375, 3825, 6375, 6885, 10125, 11475, 19125, 34425, 57375, 172125]

約数ペア:

[(1, 172125), (3, 57375), (5, 34425), (9, 19125), (15, 11475), (17, 10125), (25, 6885), (27, 6375), (45, 3825), (51, 3375), (75, 2295), (81, 2125), (85, 2025), (125, 1377), (135, 1275), (153, 1125), (225, 765), (255, 675), (375, 459), (405, 425)]