15721988961

素因数分解:

$3^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{844043}}^1$

素因数の和:844940

約数の個数: 16

約数和(自身を含む): 23984354304

約数和(自身を除く): 8262365343

約数列:

[1, 3, 7, 21, 887, 2661, 6209, 18627, 844043, 2532129, 5908301, 17724903, 748666141, 2245998423, 5240662987, 15721988961]

約数ペア:

[(1, 15721988961), (3, 5240662987), (7, 2245998423), (21, 748666141), (887, 17724903), (2661, 5908301), (6209, 2532129), (18627, 844043)]