81992799

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41983}}^1$

素因数の和:42027

約数の個数: 24

約数和(自身を含む): 139722752

約数和(自身を除く): 57729953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 41983, 125949, 293881, 377847, 881643, 1301473, 2644929, 3904419, 9110311, 11713257, 27330933, 81992799]

約数ペア:

[(1, 81992799), (3, 27330933), (7, 11713257), (9, 9110311), (21, 3904419), (31, 2644929), (63, 1301473), (93, 881643), (217, 377847), (279, 293881), (651, 125949), (1953, 41983)]