57880407

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{20903}}^1$

素因数の和:20990

約数の個数: 16

約数和(自身を含む): 84284928

約数和(自身を除く): 26404521

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 20903, 62709, 271739, 815217, 1484113, 4452339, 19293469, 57880407]

約数ペア:

[(1, 57880407), (3, 19293469), (13, 4452339), (39, 1484113), (71, 815217), (213, 271739), (923, 62709), (2769, 20903)]