12716991

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2081}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 21219744

約数和(自身を除く): 8502753

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 2081, 6111, 6243, 14567, 18729, 43701, 131103, 201857, 605571, 1412999, 1816713, 4238997, 12716991]

約数ペア:

[(1, 12716991), (3, 4238997), (7, 1816713), (9, 1412999), (21, 605571), (63, 201857), (97, 131103), (291, 43701), (679, 18729), (873, 14567), (2037, 6243), (2081, 6111)]