13491279

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{863}}^1$

素因数の和:1068

約数の個数: 20

約数和(自身を含む): 20281536

約数和(自身を除く): 6790257

約数列:

[1, 3, 9, 27, 81, 193, 579, 863, 1737, 2589, 5211, 7767, 15633, 23301, 69903, 166559, 499677, 1499031, 4497093, 13491279]

約数ペア:

[(1, 13491279), (3, 4497093), (9, 1499031), (27, 499677), (81, 166559), (193, 69903), (579, 23301), (863, 15633), (1737, 7767), (2589, 5211)]