25540335

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 20585745

約数列:

[1, 3, 5, 9, 15, 41, 45, 109, 123, 127, 205, 327, 369, 381, 545, 615, 635, 981, 1143, 1635, 1845, 1905, 4469, 4905, 5207, 5715, 13407, 13843, 15621, 22345, 26035, 40221, 41529, 46863, 67035, 69215, 78105, 124587, 201105, 207645, 234315, 567563, 622935, 1702689, 2837815, 5108067, 8513445, 25540335]

約数ペア:

[(1, 25540335), (3, 8513445), (5, 5108067), (9, 2837815), (15, 1702689), (41, 622935), (45, 567563), (109, 234315), (123, 207645), (127, 201105), (205, 124587), (327, 78105), (369, 69215), (381, 67035), (545, 46863), (615, 41529), (635, 40221), (981, 26035), (1143, 22345), (1635, 15621), (1845, 13843), (1905, 13407), (4469, 5715), (4905, 5207)]