3949743

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 6211632

約数和(自身を除く): 2261889

約数列:

[1, 3, 7, 21, 49, 97, 147, 277, 291, 679, 831, 1939, 2037, 4753, 5817, 13573, 14259, 26869, 40719, 80607, 188083, 564249, 1316581, 3949743]

約数ペア:

[(1, 3949743), (3, 1316581), (7, 564249), (21, 188083), (49, 80607), (97, 40719), (147, 26869), (277, 14259), (291, 13573), (679, 5817), (831, 4753), (1939, 2037)]