54856875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1761

約数の個数: 40

約数和(自身を含む): 96831504

約数和(自身を除く): 41974629

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 1275, 1721, 1875, 2125, 5163, 6375, 8605, 10625, 25815, 29257, 31875, 43025, 87771, 129075, 146285, 215125, 438855, 645375, 731425, 1075625, 2194275, 3226875, 3657125, 10971375, 18285625, 54856875]

約数ペア:

[(1, 54856875), (3, 18285625), (5, 10971375), (15, 3657125), (17, 3226875), (25, 2194275), (51, 1075625), (75, 731425), (85, 645375), (125, 438855), (255, 215125), (375, 146285), (425, 129075), (625, 87771), (1275, 43025), (1721, 31875), (1875, 29257), (2125, 25815), (5163, 10625), (6375, 8605)]