28271919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17681}}^1$

素因数の和:17738

約数の個数: 16

約数和(自身を含む): 41588064

約数和(自身を除く): 13316145

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 17681, 53043, 229853, 689559, 724921, 2174763, 9423973, 28271919]

約数ペア:

[(1, 28271919), (3, 9423973), (13, 2174763), (39, 724921), (41, 689559), (123, 229853), (533, 53043), (1599, 17681)]