28020465

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18869}}^1$

素因数の和:18894

約数の個数: 32

約数和(自身を含む): 54345600

約数和(自身を除く): 26325135

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 18869, 56607, 94345, 169821, 207559, 283035, 509463, 622677, 849105, 1037795, 1868031, 2547315, 3113385, 5604093, 9340155, 28020465]

約数ペア:

[(1, 28020465), (3, 9340155), (5, 5604093), (9, 3113385), (11, 2547315), (15, 1868031), (27, 1037795), (33, 849105), (45, 622677), (55, 509463), (99, 283035), (135, 207559), (165, 169821), (297, 94345), (495, 56607), (1485, 18869)]