12722589

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 21083040

約数和(自身を除く): 8360451

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 109, 131, 297, 327, 393, 891, 981, 1179, 1199, 1441, 2943, 3537, 3597, 4323, 8829, 10611, 10791, 12969, 14279, 32373, 38907, 42837, 97119, 116721, 128511, 157069, 385533, 471207, 1156599, 1413621, 4240863, 12722589]

約数ペア:

[(1, 12722589), (3, 4240863), (9, 1413621), (11, 1156599), (27, 471207), (33, 385533), (81, 157069), (99, 128511), (109, 116721), (131, 97119), (297, 42837), (327, 38907), (393, 32373), (891, 14279), (981, 12969), (1179, 10791), (1199, 10611), (1441, 8829), (2943, 4323), (3537, 3597)]