12747879

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 19568640

約数和(自身を除く): 6820761

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 587, 1143, 1761, 2413, 5283, 7239, 11153, 21717, 33459, 74549, 100377, 223647, 670941, 1416431, 4249293, 12747879]

約数ペア:

[(1, 12747879), (3, 4249293), (9, 1416431), (19, 670941), (57, 223647), (127, 100377), (171, 74549), (381, 33459), (587, 21717), (1143, 11153), (1761, 7239), (2413, 5283)]