80508249

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{13999}}^1$

素因数の和:14082

約数の個数: 20

約数和(自身を含む): 121968000

約数和(自身を除く): 41459751

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 13999, 41997, 125991, 377973, 993929, 1133919, 2981787, 8945361, 26836083, 80508249]

約数ペア:

[(1, 80508249), (3, 26836083), (9, 8945361), (27, 2981787), (71, 1133919), (81, 993929), (213, 377973), (639, 125991), (1917, 41997), (5751, 13999)]