26728961

素因数分解:

$7^3\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:693

約数の個数: 16

約数和(自身を含む): 31440000

約数和(自身を除く): 4711039

約数列:

[1, 7, 49, 149, 343, 523, 1043, 3661, 7301, 25627, 51107, 77927, 179389, 545489, 3818423, 26728961]

約数ペア:

[(1, 26728961), (7, 3818423), (49, 545489), (149, 179389), (343, 77927), (523, 51107), (1043, 25627), (3661, 7301)]