291203181

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 477116640

約数和(自身を除く): 185913459

約数列:

[1, 3, 9, 27, 29, 31, 43, 81, 87, 93, 129, 243, 261, 279, 387, 783, 837, 899, 961, 1161, 1247, 1333, 2349, 2511, 2697, 2883, 3483, 3741, 3999, 7047, 7533, 8091, 8649, 10449, 11223, 11997, 24273, 25947, 27869, 33669, 35991, 38657, 41323, 72819, 77841, 83607, 101007, 107973, 115971, 123969, 218457, 233523, 250821, 303021, 323919, 347913, 371907, 752463, 1043739, 1115721, 1198367, 2257389, 3131217, 3347163, 3595101, 6772167, 9393651, 10041489, 10785303, 32355909, 97067727, 291203181]

約数ペア:

[(1, 291203181), (3, 97067727), (9, 32355909), (27, 10785303), (29, 10041489), (31, 9393651), (43, 6772167), (81, 3595101), (87, 3347163), (93, 3131217), (129, 2257389), (243, 1198367), (261, 1115721), (279, 1043739), (387, 752463), (783, 371907), (837, 347913), (899, 323919), (961, 303021), (1161, 250821), (1247, 233523), (1333, 218457), (2349, 123969), (2511, 115971), (2697, 107973), (2883, 101007), (3483, 83607), (3741, 77841), (3999, 72819), (7047, 41323), (7533, 38657), (8091, 35991), (8649, 33669), (10449, 27869), (11223, 25947), (11997, 24273)]