1280256507

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{45433}}^1$

素因数の和:45571

約数の個数: 24

約数和(自身を含む): 1927855488

約数和(自身を除く): 647598981

約数列:

[1, 3, 9, 31, 93, 101, 279, 303, 909, 3131, 9393, 28179, 45433, 136299, 408897, 1408423, 4225269, 4588733, 12675807, 13766199, 41298597, 142250723, 426752169, 1280256507]

約数ペア:

[(1, 1280256507), (3, 426752169), (9, 142250723), (31, 41298597), (93, 13766199), (101, 12675807), (279, 4588733), (303, 4225269), (909, 1408423), (3131, 408897), (9393, 136299), (28179, 45433)]