12956517

素因数分解:

$3^6\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2564

約数の個数: 28

約数和(自身を含む): 22209760

約数和(自身を除く): 9253243

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2539, 5103, 7617, 17773, 22851, 53319, 68553, 159957, 205659, 479871, 616977, 1439613, 1850931, 4318839, 12956517]

約数ペア:

[(1, 12956517), (3, 4318839), (7, 1850931), (9, 1439613), (21, 616977), (27, 479871), (63, 205659), (81, 159957), (189, 68553), (243, 53319), (567, 22851), (729, 17773), (1701, 7617), (2539, 5103)]