28809417

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{105529}}^1$

素因数の和:105552

約数の個数: 16

約数和(自身を含む): 47277440

約数和(自身を除く): 18468023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 105529, 316587, 738703, 1371877, 2216109, 4115631, 9603139, 28809417]

約数ペア:

[(1, 28809417), (3, 9603139), (7, 4115631), (13, 2216109), (21, 1371877), (39, 738703), (91, 316587), (273, 105529)]