28102263

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31121}}^1$

素因数の和:31174

約数の個数: 16

約数和(自身を含む): 43819776

約数和(自身を除く): 15717513

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31121, 93363, 217847, 653541, 1338203, 4014609, 9367421, 28102263]

約数ペア:

[(1, 28102263), (3, 9367421), (7, 4014609), (21, 1338203), (43, 653541), (129, 217847), (301, 93363), (903, 31121)]