2782881

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 4226664

約数和(自身を除く): 1443783

約数列:

[1, 3, 9, 37, 61, 111, 137, 183, 333, 411, 549, 1233, 2257, 5069, 6771, 8357, 15207, 20313, 25071, 45621, 75213, 309209, 927627, 2782881]

約数ペア:

[(1, 2782881), (3, 927627), (9, 309209), (37, 75213), (61, 45621), (111, 25071), (137, 20313), (183, 15207), (333, 8357), (411, 6771), (549, 5069), (1233, 2257)]