13251721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5861}}^1$

素因数の和:5904

約数の個数: 16

約数和(自身を含む): 16882560

約数和(自身を除く): 3630839

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 5861, 41027, 99637, 111359, 697459, 779513, 1893103, 13251721]

約数ペア:

[(1, 13251721), (7, 1893103), (17, 779513), (19, 697459), (119, 111359), (133, 99637), (323, 41027), (2261, 5861)]