128475321

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{13337}}^1$

素因数の和:13385

約数の個数: 24

約数和(自身を含む): 195268320

約数和(自身を除く): 66792999

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 3211, 9633, 13337, 40011, 173381, 253403, 520143, 760209, 2253953, 3294239, 6761859, 9882717, 42825107, 128475321]

約数ペア:

[(1, 128475321), (3, 42825107), (13, 9882717), (19, 6761859), (39, 3294239), (57, 2253953), (169, 760209), (247, 520143), (507, 253403), (741, 173381), (3211, 40011), (9633, 13337)]