11977161

素因数分解:

$3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{887}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 18299904

約数和(自身を除く): 6322743

約数列:

[1, 3, 7, 21, 643, 887, 1929, 2661, 4501, 6209, 13503, 18627, 570341, 1711023, 3992387, 11977161]

約数ペア:

[(1, 11977161), (3, 3992387), (7, 1711023), (21, 570341), (643, 18627), (887, 13503), (1929, 6209), (2661, 4501)]