12389517

素因数分解:

$3^4\times 7^1\times {\mathrm{21851}}^1$

素因数の和:21870

約数の個数: 20

約数和(自身を含む): 21152736

約数和(自身を除く): 8763219

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21851, 65553, 152957, 196659, 458871, 589977, 1376613, 1769931, 4129839, 12389517]

約数ペア:

[(1, 12389517), (3, 4129839), (7, 1769931), (9, 1376613), (21, 589977), (27, 458871), (63, 196659), (81, 152957), (189, 65553), (567, 21851)]