28122879

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 40278400

約数和(自身を除く): 12155521

約数列:

[1, 3, 17, 51, 163, 199, 289, 489, 597, 867, 2771, 3383, 8313, 10149, 32437, 47107, 57511, 97311, 141321, 172533, 551429, 1654287, 9374293, 28122879]

約数ペア:

[(1, 28122879), (3, 9374293), (17, 1654287), (51, 551429), (163, 172533), (199, 141321), (289, 97311), (489, 57511), (597, 47107), (867, 32437), (2771, 10149), (3383, 8313)]