28107849

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 18893751

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 271, 449, 813, 1347, 1897, 2981, 3143, 4939, 5691, 8943, 9429, 14817, 20867, 34573, 62601, 103719, 121679, 365037, 851753, 1338469, 2555259, 4015407, 9369283, 28107849]

約数ペア:

[(1, 28107849), (3, 9369283), (7, 4015407), (11, 2555259), (21, 1338469), (33, 851753), (77, 365037), (231, 121679), (271, 103719), (449, 62601), (813, 34573), (1347, 20867), (1897, 14817), (2981, 9429), (3143, 8943), (4939, 5691)]