20161718157

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56475401}}^1$

素因数の和:56475428

約数の個数: 16

約数和(自身を含む): 32529831552

約数和(自身を除く): 12368113395

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56475401, 169426203, 395327807, 960081817, 1185983421, 2880245451, 6720572719, 20161718157]

約数ペア:

[(1, 20161718157), (3, 6720572719), (7, 2880245451), (17, 1185983421), (21, 960081817), (51, 395327807), (119, 169426203), (357, 56475401)]