26857809

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3821}}^1$

素因数の和:3909

約数の個数: 24

約数和(自身を含む): 42928704

約数和(自身を除く): 16070895

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 3821, 7029, 11463, 34389, 42031, 126093, 271291, 378279, 813873, 2441619, 2984201, 8952603, 26857809]

約数ペア:

[(1, 26857809), (3, 8952603), (9, 2984201), (11, 2441619), (33, 813873), (71, 378279), (99, 271291), (213, 126093), (639, 42031), (781, 34389), (2343, 11463), (3821, 7029)]