12726963

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2296

約数の個数: 20

約数和(自身を含む): 19288368

約数和(自身を除く): 6561405

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2213, 5751, 6639, 19917, 59751, 157123, 179253, 471369, 1414107, 4242321, 12726963]

約数ペア:

[(1, 12726963), (3, 4242321), (9, 1414107), (27, 471369), (71, 179253), (81, 157123), (213, 59751), (639, 19917), (1917, 6639), (2213, 5751)]