2856555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 5634720

約数和(自身を除く): 2778165

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 257, 285, 585, 741, 771, 855, 1235, 1285, 2223, 2313, 3341, 3705, 3855, 4883, 10023, 11115, 11565, 14649, 16705, 24415, 30069, 43947, 50115, 63479, 73245, 150345, 190437, 219735, 317395, 571311, 952185, 2856555]

約数ペア:

[(1, 2856555), (3, 952185), (5, 571311), (9, 317395), (13, 219735), (15, 190437), (19, 150345), (39, 73245), (45, 63479), (57, 50115), (65, 43947), (95, 30069), (117, 24415), (171, 16705), (195, 14649), (247, 11565), (257, 11115), (285, 10023), (585, 4883), (741, 3855), (771, 3705), (855, 3341), (1235, 2313), (1285, 2223)]