278606493

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{797}}^1$

素因数の和:935

約数の個数: 48

約数和(自身を含む): 458498880

約数和(自身を除く): 179892387

約数列:

[1, 3, 9, 11, 27, 33, 99, 107, 121, 297, 321, 363, 797, 963, 1089, 1177, 2391, 2889, 3267, 3531, 7173, 8767, 10593, 12947, 21519, 26301, 31779, 38841, 78903, 85279, 96437, 116523, 236709, 255837, 289311, 349569, 767511, 867933, 938069, 2302533, 2603799, 2814207, 8442621, 10318759, 25327863, 30956277, 92868831, 278606493]

約数ペア:

[(1, 278606493), (3, 92868831), (9, 30956277), (11, 25327863), (27, 10318759), (33, 8442621), (99, 2814207), (107, 2603799), (121, 2302533), (297, 938069), (321, 867933), (363, 767511), (797, 349569), (963, 289311), (1089, 255837), (1177, 236709), (2391, 116523), (2889, 96437), (3267, 85279), (3531, 78903), (7173, 38841), (8767, 31779), (10593, 26301), (12947, 21519)]