51245019

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4129}}^1$

素因数の和:4339

約数の個数: 24

約数和(自身を含む): 85044960

約数和(自身を除く): 33799941

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 4129, 4137, 12387, 12411, 28903, 37161, 86709, 260127, 813413, 2440239, 5693891, 7320717, 17081673, 51245019]

約数ペア:

[(1, 51245019), (3, 17081673), (7, 7320717), (9, 5693891), (21, 2440239), (63, 813413), (197, 260127), (591, 86709), (1379, 37161), (1773, 28903), (4129, 12411), (4137, 12387)]