81540591

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{40507}}^1$

素因数の和:40582

約数の個数: 16

約数和(自身を含む): 120551808

約数和(自身を除く): 39011217

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 40507, 121521, 445577, 1336731, 2470927, 7412781, 27180197, 81540591]

約数ペア:

[(1, 81540591), (3, 27180197), (11, 7412781), (33, 2470927), (61, 1336731), (183, 445577), (671, 121521), (2013, 40507)]