639508737

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{105373}}^1$

素因数の和:105417

約数の個数: 24

約数和(自身を含む): 1035194176

約数和(自身を除く): 395685439

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 6069, 105373, 316119, 737611, 1791341, 2212833, 5374023, 12539387, 30452797, 37618161, 91358391, 213169579, 639508737]

約数ペア:

[(1, 639508737), (3, 213169579), (7, 91358391), (17, 37618161), (21, 30452797), (51, 12539387), (119, 5374023), (289, 2212833), (357, 1791341), (867, 737611), (2023, 316119), (6069, 105373)]