28473081

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{104297}}^1$

素因数の和:104320

約数の個数: 16

約数和(自身を含む): 46725504

約数和(自身を除く): 18252423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 104297, 312891, 730079, 1355861, 2190237, 4067583, 9491027, 28473081]

約数ペア:

[(1, 28473081), (3, 9491027), (7, 4067583), (13, 2190237), (21, 1355861), (39, 730079), (91, 312891), (273, 104297)]