28291731

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7043}}^1$

素因数の和:7162

約数の個数: 16

約数和(自身を含む): 41024256

約数和(自身を除く): 12732525

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 7043, 21129, 91559, 274677, 725429, 2176287, 9430577, 28291731]

約数ペア:

[(1, 28291731), (3, 9430577), (13, 2176287), (39, 725429), (103, 274677), (309, 91559), (1339, 21129), (4017, 7043)]