28769211

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2027}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 44291520

約数和(自身を除く): 15522309

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 1577, 2027, 4731, 6081, 14193, 18243, 38513, 115539, 168241, 346617, 504723, 1514169, 3196579, 9589737, 28769211]

約数ペア:

[(1, 28769211), (3, 9589737), (9, 3196579), (19, 1514169), (57, 504723), (83, 346617), (171, 168241), (249, 115539), (747, 38513), (1577, 18243), (2027, 14193), (4731, 6081)]