12375

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1$

素因数の和:32

約数の個数: 24

約数和(自身を含む): 24336

約数和(自身を除く): 11961

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 275, 375, 495, 825, 1125, 1375, 2475, 4125, 12375]

約数ペア:

[(1, 12375), (3, 4125), (5, 2475), (9, 1375), (11, 1125), (15, 825), (25, 495), (33, 375), (45, 275), (55, 225), (75, 165), (99, 125)]