9900

素因数分解:

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

素因数の和:31

約数の個数: 54

約数和(自身を含む): 33852

約数和(自身を除く): 23952

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2475, 3300, 4950, 9900]

約数ペア:

[(1, 9900), (2, 4950), (3, 3300), (4, 2475), (5, 1980), (6, 1650), (9, 1100), (10, 990), (11, 900), (12, 825), (15, 660), (18, 550), (20, 495), (22, 450), (25, 396), (30, 330), (33, 300), (36, 275), (44, 225), (45, 220), (50, 198), (55, 180), (60, 165), (66, 150), (75, 132), (90, 110), (99, 100)]