6605991

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 11741184

約数和(自身を除く): 5135193

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 97, 141, 161, 207, 291, 329, 423, 483, 679, 873, 987, 1081, 1449, 2037, 2231, 2961, 3243, 4559, 6111, 6693, 7567, 9729, 13677, 15617, 20079, 22701, 31913, 41031, 46851, 68103, 95739, 104857, 140553, 287217, 314571, 733999, 943713, 2201997, 6605991]

約数ペア:

[(1, 6605991), (3, 2201997), (7, 943713), (9, 733999), (21, 314571), (23, 287217), (47, 140553), (63, 104857), (69, 95739), (97, 68103), (141, 46851), (161, 41031), (207, 31913), (291, 22701), (329, 20079), (423, 15617), (483, 13677), (679, 9729), (873, 7567), (987, 6693), (1081, 6111), (1449, 4559), (2037, 3243), (2231, 2961)]