13991383

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 17445888

約数和(自身を除く): 3454505

約数列:

[1, 7, 23, 43, 47, 161, 301, 329, 989, 1081, 1849, 2021, 6923, 7567, 12943, 14147, 42527, 46483, 86903, 297689, 325381, 608321, 1998769, 13991383]

約数ペア:

[(1, 13991383), (7, 1998769), (23, 608321), (43, 325381), (47, 297689), (161, 86903), (301, 46483), (329, 42527), (989, 14147), (1081, 12943), (1849, 7567), (2021, 6923)]