13681791

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{3187}}^1$

素因数の和:3252

約数の個数: 20

約数和(自身を含む): 20830392

約数和(自身を除く): 7148601

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 3187, 4293, 9561, 28683, 86049, 168911, 258147, 506733, 1520199, 4560597, 13681791]

約数ペア:

[(1, 13681791), (3, 4560597), (9, 1520199), (27, 506733), (53, 258147), (81, 168911), (159, 86049), (477, 28683), (1431, 9561), (3187, 4293)]