9967689

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{809}}^1$

素因数の和:889

約数の個数: 18

約数和(自身を含む): 14815710

約数和(自身を除く): 4848021

約数列:

[1, 3, 9, 37, 111, 333, 809, 1369, 2427, 4107, 7281, 12321, 29933, 89799, 269397, 1107521, 3322563, 9967689]

約数ペア:

[(1, 9967689), (3, 3322563), (9, 1107521), (37, 269397), (111, 89799), (333, 29933), (809, 12321), (1369, 7281), (2427, 4107)]