28544769

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 47443968

約数和(自身を除く): 18899199

約数列:

[1, 3, 9, 11, 31, 33, 71, 93, 99, 131, 213, 279, 341, 393, 639, 781, 1023, 1179, 1441, 2201, 2343, 3069, 4061, 4323, 6603, 7029, 9301, 12183, 12969, 19809, 24211, 27903, 36549, 44671, 72633, 83709, 102311, 134013, 217899, 288331, 306933, 402039, 864993, 920799, 2594979, 3171641, 9514923, 28544769]

約数ペア:

[(1, 28544769), (3, 9514923), (9, 3171641), (11, 2594979), (31, 920799), (33, 864993), (71, 402039), (93, 306933), (99, 288331), (131, 217899), (213, 134013), (279, 102311), (341, 83709), (393, 72633), (639, 44671), (781, 36549), (1023, 27903), (1179, 24211), (1441, 19809), (2201, 12969), (2343, 12183), (3069, 9301), (4061, 7029), (4323, 6603)]