28684071

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 17764569

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1151, 1917, 2769, 3453, 8307, 10359, 14963, 24921, 31077, 44889, 81721, 134667, 245163, 404001, 735489, 1062373, 2206467, 3187119, 9561357, 28684071]

約数ペア:

[(1, 28684071), (3, 9561357), (9, 3187119), (13, 2206467), (27, 1062373), (39, 735489), (71, 404001), (117, 245163), (213, 134667), (351, 81721), (639, 44889), (923, 31077), (1151, 24921), (1917, 14963), (2769, 10359), (3453, 8307)]