27831321

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4289}}^1$

素因数の和:4405

約数の個数: 24

約数和(自身を含む): 46400640

約数和(自身を除く): 18569319

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 4289, 6489, 12867, 30023, 38601, 90069, 270207, 441767, 1325301, 3092369, 3975903, 9277107, 27831321]

約数ペア:

[(1, 27831321), (3, 9277107), (7, 3975903), (9, 3092369), (21, 1325301), (63, 441767), (103, 270207), (309, 90069), (721, 38601), (927, 30023), (2163, 12867), (4289, 6489)]