81996111

素因数分解:

$3^3\times {\mathrm{1709}}^1\times {\mathrm{1777}}^1$

素因数の和:3495

約数の個数: 16

約数和(自身を含む): 121615200

約数和(自身を除く): 39619089

約数列:

[1, 3, 9, 27, 1709, 1777, 5127, 5331, 15381, 15993, 46143, 47979, 3036893, 9110679, 27332037, 81996111]

約数ペア:

[(1, 81996111), (3, 27332037), (9, 9110679), (27, 3036893), (1709, 47979), (1777, 46143), (5127, 15993), (5331, 15381)]