27989143

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{6277}}^1$

素因数の和:6311

約数の個数: 16

約数和(自身を含む): 35156800

約数和(自身を除く): 7167657

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 6277, 43939, 81601, 307573, 571207, 2153011, 3998449, 27989143]

約数ペア:

[(1, 27989143), (7, 3998449), (13, 2153011), (49, 571207), (91, 307573), (343, 81601), (637, 43939), (4459, 6277)]