12939669

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{9397}}^1$

素因数の和:9426

約数の個数: 20

約数和(自身を含む): 20468844

約数和(自身を除く): 7529175

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9397, 28191, 84573, 159749, 253719, 479247, 761157, 1437741, 4313223, 12939669]

約数ペア:

[(1, 12939669), (3, 4313223), (9, 1437741), (17, 761157), (27, 479247), (51, 253719), (81, 159749), (153, 84573), (459, 28191), (1377, 9397)]