128820111

素因数分解:

$3^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{10007}}^1$

素因数の和:10630

約数の個数: 16

約数和(自身を含む): 196637184

約数和(自身を除く): 67817073

約数列:

[1, 3, 7, 21, 613, 1839, 4291, 10007, 12873, 30021, 70049, 210147, 6134291, 18402873, 42940037, 128820111]

約数ペア:

[(1, 128820111), (3, 42940037), (7, 18402873), (21, 6134291), (613, 210147), (1839, 70049), (4291, 30021), (10007, 12873)]