12247641

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3261

約数の個数: 24

約数和(自身を含む): 20556224

約数和(自身を除く): 8308583

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3187, 3843, 9561, 22309, 28683, 66927, 194407, 200781, 583221, 1360849, 1749663, 4082547, 12247641]

約数ペア:

[(1, 12247641), (3, 4082547), (7, 1749663), (9, 1360849), (21, 583221), (61, 200781), (63, 194407), (183, 66927), (427, 28683), (549, 22309), (1281, 9561), (3187, 3843)]