258562287

素因数分解:

$3^4\times {\mathrm{1613}}^1\times {\mathrm{1979}}^1$

素因数の和:3604

約数の個数: 20

約数和(自身を含む): 386682120

約数和(自身を除く): 128119833

約数列:

[1, 3, 9, 27, 81, 1613, 1979, 4839, 5937, 14517, 17811, 43551, 53433, 130653, 160299, 3192127, 9576381, 28729143, 86187429, 258562287]

約数ペア:

[(1, 258562287), (3, 86187429), (9, 28729143), (27, 9576381), (81, 3192127), (1613, 160299), (1979, 130653), (4839, 53433), (5937, 43551), (14517, 17811)]