2552805

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 4852224

約数和(自身を除く): 2299419

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 71, 85, 141, 153, 213, 235, 255, 355, 423, 639, 705, 765, 799, 1065, 1207, 2115, 2397, 3195, 3337, 3621, 3995, 6035, 7191, 10011, 10863, 11985, 16685, 18105, 30033, 35955, 50055, 54315, 56729, 150165, 170187, 283645, 510561, 850935, 2552805]

約数ペア:

[(1, 2552805), (3, 850935), (5, 510561), (9, 283645), (15, 170187), (17, 150165), (45, 56729), (47, 54315), (51, 50055), (71, 35955), (85, 30033), (141, 18105), (153, 16685), (213, 11985), (235, 10863), (255, 10011), (355, 7191), (423, 6035), (639, 3995), (705, 3621), (765, 3337), (799, 3195), (1065, 2397), (1207, 2115)]