494991

素因数分解:

$3^6\times 7^1\times {\mathrm{97}}^1$

素因数の和:122

約数の個数: 28

約数和(自身を含む): 856912

約数和(自身を除く): 361921

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 243, 291, 567, 679, 729, 873, 1701, 2037, 2619, 5103, 6111, 7857, 18333, 23571, 54999, 70713, 164997, 494991]

約数ペア:

[(1, 494991), (3, 164997), (7, 70713), (9, 54999), (21, 23571), (27, 18333), (63, 7857), (81, 6111), (97, 5103), (189, 2619), (243, 2037), (291, 1701), (567, 873), (679, 729)]