207816531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1823}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 310517760

約数和(自身を除く): 102701229

約数列:

[1, 3, 13, 37, 39, 79, 111, 237, 481, 1027, 1443, 1823, 2923, 3081, 5469, 8769, 23699, 37999, 67451, 71097, 113997, 144017, 202353, 432051, 876863, 1872221, 2630589, 5328629, 5616663, 15985887, 69272177, 207816531]

約数ペア:

[(1, 207816531), (3, 69272177), (13, 15985887), (37, 5616663), (39, 5328629), (79, 2630589), (111, 1872221), (237, 876863), (481, 432051), (1027, 202353), (1443, 144017), (1823, 113997), (2923, 71097), (3081, 67451), (5469, 37999), (8769, 23699)]