12547143

素因数分解:

$3^4\times 7^1\times {\mathrm{22129}}^1$

素因数の和:22148

約数の個数: 20

約数和(自身を含む): 21421840

約数和(自身を除く): 8874697

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22129, 66387, 154903, 199161, 464709, 597483, 1394127, 1792449, 4182381, 12547143]

約数ペア:

[(1, 12547143), (3, 4182381), (7, 1792449), (9, 1394127), (21, 597483), (27, 464709), (63, 199161), (81, 154903), (189, 66387), (567, 22129)]