13500

素因数分解:

$2^2\times 3^3\times 5^3$

素因数の和:28

約数の個数: 48

約数和(自身を含む): 43680

約数和(自身を除く): 30180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 250, 270, 300, 375, 450, 500, 540, 675, 750, 900, 1125, 1350, 1500, 2250, 2700, 3375, 4500, 6750, 13500]

約数ペア:

[(1, 13500), (2, 6750), (3, 4500), (4, 3375), (5, 2700), (6, 2250), (9, 1500), (10, 1350), (12, 1125), (15, 900), (18, 750), (20, 675), (25, 540), (27, 500), (30, 450), (36, 375), (45, 300), (50, 270), (54, 250), (60, 225), (75, 180), (90, 150), (100, 135), (108, 125)]