13860007

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2777}}^1$

素因数の和:2838

約数の個数: 16

約数和(自身を含む): 17068032

約数和(自身を除く): 3208025

約数列:

[1, 7, 23, 31, 161, 217, 713, 2777, 4991, 19439, 63871, 86087, 447097, 602609, 1980001, 13860007]

約数ペア:

[(1, 13860007), (7, 1980001), (23, 602609), (31, 447097), (161, 86087), (217, 63871), (713, 19439), (2777, 4991)]