28019211

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{5209}}^1$

素因数の和:5386

約数の個数: 16

約数和(自身を含む): 41013120

約数和(自身を除く): 12993909

約数列:

[1, 3, 11, 33, 163, 489, 1793, 5209, 5379, 15627, 57299, 171897, 849067, 2547201, 9339737, 28019211]

約数ペア:

[(1, 28019211), (3, 9339737), (11, 2547201), (33, 849067), (163, 171897), (489, 57299), (1793, 15627), (5209, 5379)]