13147421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 15826944

約数和(自身を除く): 2679523

約数列:

[1, 7, 23, 127, 161, 643, 889, 2921, 4501, 14789, 20447, 81661, 103523, 571627, 1878203, 13147421]

約数ペア:

[(1, 13147421), (7, 1878203), (23, 571627), (127, 103523), (161, 81661), (643, 20447), (889, 14789), (2921, 4501)]