13205647

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{20731}}^1$

素因数の和:20758

約数の個数: 12

約数和(自身を含む): 16544136

約数和(自身を除く): 3338489

約数列:

[1, 7, 13, 49, 91, 637, 20731, 145117, 269503, 1015819, 1886521, 13205647]

約数ペア:

[(1, 13205647), (7, 1886521), (13, 1015819), (49, 269503), (91, 145117), (637, 20731)]