531297

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 873600

約数和(自身を除く): 342303

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 239, 247, 717, 741, 2151, 2223, 3107, 4541, 9321, 13623, 27963, 40869, 59033, 177099, 531297]

約数ペア:

[(1, 531297), (3, 177099), (9, 59033), (13, 40869), (19, 27963), (39, 13623), (57, 9321), (117, 4541), (171, 3107), (239, 2223), (247, 2151), (717, 741)]