28276491

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{971}}^1$

素因数の和:1562

約数の個数: 16

約数和(自身を含む): 40030848

約数和(自身を除く): 11754357

約数列:

[1, 3, 17, 51, 571, 971, 1713, 2913, 9707, 16507, 29121, 49521, 554441, 1663323, 9425497, 28276491]

約数ペア:

[(1, 28276491), (3, 9425497), (17, 1663323), (51, 554441), (571, 49521), (971, 29121), (1713, 16507), (2913, 9707)]