8427771

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 13693680

約数和(自身を除く): 5265909

約数列:

[1, 3, 9, 11, 33, 71, 99, 109, 121, 213, 327, 363, 639, 781, 981, 1089, 1199, 2343, 3597, 7029, 7739, 8591, 10791, 13189, 23217, 25773, 39567, 69651, 77319, 85129, 118701, 255387, 766161, 936419, 2809257, 8427771]

約数ペア:

[(1, 8427771), (3, 2809257), (9, 936419), (11, 766161), (33, 255387), (71, 118701), (99, 85129), (109, 77319), (121, 69651), (213, 39567), (327, 25773), (363, 23217), (639, 13189), (781, 10791), (981, 8591), (1089, 7739), (1199, 7029), (2343, 3597)]