25250085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 50768640

約数和(自身を除く): 25518555

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 497, 639, 1065, 1129, 1491, 2485, 3195, 3387, 4473, 5645, 7455, 7903, 10161, 16935, 22365, 23709, 39515, 50805, 71127, 80159, 118545, 240477, 355635, 400795, 561113, 721431, 1202385, 1683339, 2805565, 3607155, 5050017, 8416695, 25250085]

約数ペア:

[(1, 25250085), (3, 8416695), (5, 5050017), (7, 3607155), (9, 2805565), (15, 1683339), (21, 1202385), (35, 721431), (45, 561113), (63, 400795), (71, 355635), (105, 240477), (213, 118545), (315, 80159), (355, 71127), (497, 50805), (639, 39515), (1065, 23709), (1129, 22365), (1491, 16935), (2485, 10161), (3195, 7903), (3387, 7455), (4473, 5645)]