8402589

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 13789440

約数和(自身を除く): 5386851

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 647, 999, 1443, 1941, 4329, 5823, 8411, 12987, 17469, 23939, 25233, 71817, 75699, 215451, 227097, 311207, 646353, 933621, 2800863, 8402589]

約数ペア:

[(1, 8402589), (3, 2800863), (9, 933621), (13, 646353), (27, 311207), (37, 227097), (39, 215451), (111, 75699), (117, 71817), (333, 25233), (351, 23939), (481, 17469), (647, 12987), (999, 8411), (1443, 5823), (1941, 4329)]