28728657

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1823}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 44388864

約数和(自身を除く): 15660207

約数列:

[1, 3, 9, 17, 51, 103, 153, 309, 927, 1751, 1823, 5253, 5469, 15759, 16407, 30991, 92973, 187769, 278919, 563307, 1689921, 3192073, 9576219, 28728657]

約数ペア:

[(1, 28728657), (3, 9576219), (9, 3192073), (17, 1689921), (51, 563307), (103, 278919), (153, 187769), (309, 92973), (927, 30991), (1751, 16407), (1823, 15759), (5253, 5469)]