81391743

素因数分解:

$3^3\times {\mathrm{1217}}^1\times {\mathrm{2477}}^1$

素因数の和:3703

約数の個数: 16

約数和(自身を含む): 120728160

約数和(自身を除く): 39336417

約数列:

[1, 3, 9, 27, 1217, 2477, 3651, 7431, 10953, 22293, 32859, 66879, 3014509, 9043527, 27130581, 81391743]

約数ペア:

[(1, 81391743), (3, 27130581), (9, 9043527), (27, 3014509), (1217, 66879), (2477, 32859), (3651, 22293), (7431, 10953)]