28468713

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{104281}}^1$

素因数の和:104304

約数の個数: 16

約数和(自身を含む): 46718336

約数和(自身を除く): 18249623

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 104281, 312843, 729967, 1355653, 2189901, 4066959, 9489571, 28468713]

約数ペア:

[(1, 28468713), (3, 9489571), (7, 4066959), (13, 2189901), (21, 1355653), (39, 729967), (91, 312843), (273, 104281)]