51138909

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 75416952

約数和(自身を除く): 24278043

約数列:

[1, 3, 9, 73, 219, 277, 281, 657, 831, 843, 2493, 2529, 20221, 20513, 60663, 61539, 77837, 181989, 184617, 233511, 700533, 5682101, 17046303, 51138909]

約数ペア:

[(1, 51138909), (3, 17046303), (9, 5682101), (73, 700533), (219, 233511), (277, 184617), (281, 181989), (657, 77837), (831, 61539), (843, 60663), (2493, 20513), (2529, 20221)]