80887491

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{3797}}^1$

素因数の和:4072

約数の個数: 20

約数和(自身を含む): 121323312

約数和(自身を除く): 40435821

約数列:

[1, 3, 9, 27, 81, 263, 789, 2367, 3797, 7101, 11391, 21303, 34173, 102519, 307557, 998611, 2995833, 8987499, 26962497, 80887491]

約数ペア:

[(1, 80887491), (3, 26962497), (9, 8987499), (27, 2995833), (81, 998611), (263, 307557), (789, 102519), (2367, 34173), (3797, 21303), (7101, 11391)]