81609903

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{6823}}^1$

素因数の和:7275

約数の個数: 16

約数和(自身を含む): 121194240

約数和(自身を除く): 39584337

約数列:

[1, 3, 9, 27, 443, 1329, 3987, 6823, 11961, 20469, 61407, 184221, 3022589, 9067767, 27203301, 81609903]

約数ペア:

[(1, 81609903), (3, 27203301), (9, 9067767), (27, 3022589), (443, 184221), (1329, 61407), (3987, 20469), (6823, 11961)]