16642989

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{18679}}^1$

素因数の和:18702

約数の個数: 20

約数和(自身を含む): 27123360

約数和(自身を除く): 10480371

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 18679, 56037, 168111, 205469, 504333, 616407, 1512999, 1849221, 5547663, 16642989]

約数ペア:

[(1, 16642989), (3, 5547663), (9, 1849221), (11, 1512999), (27, 616407), (33, 504333), (81, 205469), (99, 168111), (297, 56037), (891, 18679)]