28585143

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20759}}^1$

素因数の和:20788

約数の個数: 20

約数和(自身を含む): 45215280

約数和(自身を除く): 16630137

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20759, 62277, 186831, 352903, 560493, 1058709, 1681479, 3176127, 9528381, 28585143]

約数ペア:

[(1, 28585143), (3, 9528381), (9, 3176127), (17, 1681479), (27, 1058709), (51, 560493), (81, 352903), (153, 186831), (459, 62277), (1377, 20759)]