86289381

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{3931}}^1$

素因数の和:4214

約数の個数: 20

約数和(自身を含む): 129409984

約数和(自身を除く): 43120603

約数列:

[1, 3, 9, 27, 81, 271, 813, 2439, 3931, 7317, 11793, 21951, 35379, 106137, 318411, 1065301, 3195903, 9587709, 28763127, 86289381]

約数ペア:

[(1, 86289381), (3, 28763127), (9, 9587709), (27, 3195903), (81, 1065301), (271, 318411), (813, 106137), (2439, 35379), (3931, 21951), (7317, 11793)]