31875

素因数分解:

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

素因数の和:40

約数の個数: 20

約数和(自身を含む): 56232

約数和(自身を除く): 24357

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 1275, 1875, 2125, 6375, 10625, 31875]

約数ペア:

[(1, 31875), (3, 10625), (5, 6375), (15, 2125), (17, 1875), (25, 1275), (51, 625), (75, 425), (85, 375), (125, 255)]