12179727

素因数分解:

$3^4\times 7^1\times {\mathrm{21481}}^1$

素因数の和:21500

約数の個数: 20

約数和(自身を含む): 20794576

約数和(自身を除く): 8614849

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21481, 64443, 150367, 193329, 451101, 579987, 1353303, 1739961, 4059909, 12179727]

約数ペア:

[(1, 12179727), (3, 4059909), (7, 1739961), (9, 1353303), (21, 579987), (27, 451101), (63, 193329), (81, 150367), (189, 64443), (567, 21481)]