66375

素因数分解:

$3^2\times 5^3\times {\mathrm{59}}^1$

素因数の和:80

約数の個数: 24

約数和(自身を含む): 121680

約数和(自身を除く): 55305

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 125, 177, 225, 295, 375, 531, 885, 1125, 1475, 2655, 4425, 7375, 13275, 22125, 66375]

約数ペア:

[(1, 66375), (3, 22125), (5, 13275), (9, 7375), (15, 4425), (25, 2655), (45, 1475), (59, 1125), (75, 885), (125, 531), (177, 375), (225, 295)]