2783145981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{2087}}^1$

素因数の和:2382

約数の個数: 64

約数和(自身を含む): 4849238016

約数和(自身を除く): 2066092035

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 251, 253, 483, 753, 759, 1757, 1771, 2087, 2761, 5271, 5313, 5773, 6261, 8283, 14609, 17319, 19327, 22957, 40411, 43827, 48001, 57981, 63503, 68871, 121233, 144003, 160699, 190509, 336007, 444521, 482097, 523837, 528011, 1008021, 1333563, 1571511, 1584033, 3666859, 3696077, 5762207, 11000577, 11088231, 12048251, 17286621, 36144753, 40335449, 84337757, 121006347, 132530761, 253013271, 397592283, 927715327, 2783145981]

約数ペア:

[(1, 2783145981), (3, 927715327), (7, 397592283), (11, 253013271), (21, 132530761), (23, 121006347), (33, 84337757), (69, 40335449), (77, 36144753), (161, 17286621), (231, 12048251), (251, 11088231), (253, 11000577), (483, 5762207), (753, 3696077), (759, 3666859), (1757, 1584033), (1771, 1571511), (2087, 1333563), (2761, 1008021), (5271, 528011), (5313, 523837), (5773, 482097), (6261, 444521), (8283, 336007), (14609, 190509), (17319, 160699), (19327, 144003), (22957, 121233), (40411, 68871), (43827, 63503), (48001, 57981)]