199059987

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{557591}}^1$

素因数の和:557618

約数の個数: 16

約数和(自身を含む): 321172992

約数和(自身を除く): 122113005

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 557591, 1672773, 3903137, 9479047, 11709411, 28437141, 66353329, 199059987]

約数ペア:

[(1, 199059987), (3, 66353329), (7, 28437141), (17, 11709411), (21, 9479047), (51, 3903137), (119, 1672773), (357, 557591)]