80991099

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{6661}}^1$

素因数の和:6867

約数の個数: 24

約数和(自身を含む): 134412512

約数和(自身を除く): 53421413

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 4053, 6661, 12159, 19983, 46627, 59949, 139881, 419643, 1285573, 3856719, 8999011, 11570157, 26997033, 80991099]

約数ペア:

[(1, 80991099), (3, 26997033), (7, 11570157), (9, 8999011), (21, 3856719), (63, 1285573), (193, 419643), (579, 139881), (1351, 59949), (1737, 46627), (4053, 19983), (6661, 12159)]