25138617

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 41291712

約数和(自身を除く): 16153095

約数列:

[1, 3, 7, 21, 41, 43, 49, 97, 123, 129, 147, 287, 291, 301, 679, 861, 903, 1763, 2009, 2037, 2107, 3977, 4171, 4753, 5289, 6027, 6321, 11931, 12341, 12513, 14259, 27839, 29197, 37023, 83517, 86387, 87591, 171011, 194873, 204379, 259161, 513033, 584619, 613137, 1197077, 3591231, 8379539, 25138617]

約数ペア:

[(1, 25138617), (3, 8379539), (7, 3591231), (21, 1197077), (41, 613137), (43, 584619), (49, 513033), (97, 259161), (123, 204379), (129, 194873), (147, 171011), (287, 87591), (291, 86387), (301, 83517), (679, 37023), (861, 29197), (903, 27839), (1763, 14259), (2009, 12513), (2037, 12341), (2107, 11931), (3977, 6321), (4171, 6027), (4753, 5289)]