164020707

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{27739}}^1$

素因数の和:27824

約数の個数: 20

約数和(自身を含む): 248383960

約数和(自身を除く): 84363253

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 27739, 83217, 249651, 748953, 2024947, 2246859, 6074841, 18224523, 54673569, 164020707]

約数ペア:

[(1, 164020707), (3, 54673569), (9, 18224523), (27, 6074841), (73, 2246859), (81, 2024947), (219, 748953), (657, 249651), (1971, 83217), (5913, 27739)]