39961221

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1\times {\mathrm{691}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 54906048

約数和(自身を除く): 14944827

約数列:

[1, 3, 37, 111, 521, 691, 1563, 2073, 19277, 25567, 57831, 76701, 360011, 1080033, 13320407, 39961221]

約数ペア:

[(1, 39961221), (3, 13320407), (37, 1080033), (111, 360011), (521, 76701), (691, 57831), (1563, 25567), (2073, 19277)]