11987853

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 16920576

約数和(自身を除く): 4932723

約数列:

[1, 3, 23, 69, 71, 213, 1633, 2447, 4899, 7341, 56281, 168843, 173737, 521211, 3995951, 11987853]

約数ペア:

[(1, 11987853), (3, 3995951), (23, 521211), (69, 173737), (71, 168843), (213, 56281), (1633, 7341), (2447, 4899)]