389767311

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{2333}}^1$

素因数の和:3335

約数の個数: 24

約数和(自身を含む): 593489520

約数和(自身を除く): 203722209

約数列:

[1, 3, 9, 19, 57, 171, 977, 2333, 2931, 6999, 8793, 18563, 20997, 44327, 55689, 132981, 167067, 398943, 2279341, 6838023, 20514069, 43307479, 129922437, 389767311]

約数ペア:

[(1, 389767311), (3, 129922437), (9, 43307479), (19, 20514069), (57, 6838023), (171, 2279341), (977, 398943), (2333, 167067), (2931, 132981), (6999, 55689), (8793, 44327), (18563, 20997)]