28921329

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{25303}}^1$

素因数の和:25436

約数の個数: 12

約数和(自身を含む): 42105856

約数和(自身を除く): 13184527

約数列:

[1, 3, 9, 127, 381, 1143, 25303, 75909, 227727, 3213481, 9640443, 28921329]

約数ペア:

[(1, 28921329), (3, 9640443), (9, 3213481), (127, 227727), (381, 75909), (1143, 25303)]