12685311

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 18864560

約数和(自身を除く): 6179249

約数列:

[1, 3, 9, 67, 109, 193, 201, 327, 579, 603, 981, 1737, 7303, 12931, 21037, 21909, 38793, 63111, 65727, 116379, 189333, 1409479, 4228437, 12685311]

約数ペア:

[(1, 12685311), (3, 4228437), (9, 1409479), (67, 189333), (109, 116379), (193, 65727), (201, 63111), (327, 38793), (579, 21909), (603, 21037), (981, 12931), (1737, 7303)]