2019997251

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{387641}}^1$

素因数の和:387843

約数の個数: 16

約数和(自身を含む): 3008101920

約数和(自身を除く): 988104669

約数列:

[1, 3, 9, 27, 193, 579, 1737, 5211, 387641, 1162923, 3488769, 10466307, 74814713, 224444139, 673332417, 2019997251]

約数ペア:

[(1, 2019997251), (3, 673332417), (9, 224444139), (27, 74814713), (193, 10466307), (579, 3488769), (1737, 1162923), (5211, 387641)]