28248171

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{3121}}^1$

素因数の和:3562

約数の個数: 16

約数和(自身を含む): 43158528

約数和(自身を除く): 14910357

約数列:

[1, 3, 7, 21, 431, 1293, 3017, 3121, 9051, 9363, 21847, 65541, 1345151, 4035453, 9416057, 28248171]

約数ペア:

[(1, 28248171), (3, 9416057), (7, 4035453), (21, 1345151), (431, 65541), (1293, 21847), (3017, 9363), (3121, 9051)]