19125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1$

素因数の和:38

約数の個数: 24

約数和(自身を含む): 36504

約数和(自身を除く): 17379

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1125, 1275, 2125, 3825, 6375, 19125]

約数ペア:

[(1, 19125), (3, 6375), (5, 3825), (9, 2125), (15, 1275), (17, 1125), (25, 765), (45, 425), (51, 375), (75, 255), (85, 225), (125, 153)]