28159239

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1811}}^1$

素因数の和:1958

約数の個数: 16

約数和(自身を含む): 38617344

約数和(自身を除く): 10458105

約数列:

[1, 3, 71, 73, 213, 219, 1811, 5183, 5433, 15549, 128581, 132203, 385743, 396609, 9386413, 28159239]

約数ペア:

[(1, 28159239), (3, 9386413), (71, 396609), (73, 385743), (213, 132203), (219, 128581), (1811, 15549), (5183, 5433)]