55347579

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20431}}^1$

素因数の和:20487

約数の個数: 24

約数和(自身を含む): 93496832

約数和(自身を除く): 38149253

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 20431, 61293, 143017, 183879, 429051, 878533, 1287153, 2635599, 6149731, 7906797, 18449193, 55347579]

約数ペア:

[(1, 55347579), (3, 18449193), (7, 7906797), (9, 6149731), (21, 2635599), (43, 1287153), (63, 878533), (129, 429051), (301, 183879), (387, 143017), (903, 61293), (2709, 20431)]