1287999021

素因数分解:

$3^1\times {\mathrm{443}}^1\times {\mathrm{863}}^1\times {\mathrm{1123}}^1$

素因数の和:2432

約数の個数: 16

約数和(自身を含む): 1724737536

約数和(自身を除く): 436738515

約数列:

[1, 3, 443, 863, 1123, 1329, 2589, 3369, 382309, 497489, 969149, 1146927, 1492467, 2907447, 429333007, 1287999021]

約数ペア:

[(1, 1287999021), (3, 429333007), (443, 2907447), (863, 1492467), (1123, 1146927), (1329, 969149), (2589, 497489), (3369, 382309)]