248766885

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1237}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 446125680

約数和(自身を除く): 197358795

約数列:

[1, 3, 5, 9, 15, 41, 45, 109, 123, 205, 327, 369, 545, 615, 981, 1237, 1635, 1845, 3711, 4469, 4905, 6185, 11133, 13407, 18555, 22345, 40221, 50717, 55665, 67035, 134833, 152151, 201105, 253585, 404499, 456453, 674165, 760755, 1213497, 2022495, 2282265, 5528153, 6067485, 16584459, 27640765, 49753377, 82922295, 248766885]

約数ペア:

[(1, 248766885), (3, 82922295), (5, 49753377), (9, 27640765), (15, 16584459), (41, 6067485), (45, 5528153), (109, 2282265), (123, 2022495), (205, 1213497), (327, 760755), (369, 674165), (545, 456453), (615, 404499), (981, 253585), (1237, 201105), (1635, 152151), (1845, 134833), (3711, 67035), (4469, 55665), (4905, 50717), (6185, 40221), (11133, 22345), (13407, 18555)]