12396321

素因数分解:

$3^4\times 7^1\times {\mathrm{21863}}^1$

素因数の和:21882

約数の個数: 20

約数和(自身を含む): 21164352

約数和(自身を除く): 8768031

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21863, 65589, 153041, 196767, 459123, 590301, 1377369, 1770903, 4132107, 12396321]

約数ペア:

[(1, 12396321), (3, 4132107), (7, 1770903), (9, 1377369), (21, 590301), (27, 459123), (63, 196767), (81, 153041), (189, 65589), (567, 21863)]