54709109

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20731}}^1$

素因数の和:20780

約数の個数: 16

約数和(自身を含む): 69659520

約数和(自身を除く): 14950411

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 20731, 145117, 269503, 601199, 1886521, 4208393, 7815587, 54709109]

約数ペア:

[(1, 54709109), (7, 7815587), (13, 4208393), (29, 1886521), (91, 601199), (203, 269503), (377, 145117), (2639, 20731)]