13021393

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{643}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 16321536

約数和(自身を除く): 3300143

約数列:

[1, 7, 11, 77, 263, 643, 1841, 2893, 4501, 7073, 20251, 49511, 169109, 1183763, 1860199, 13021393]

約数ペア:

[(1, 13021393), (7, 1860199), (11, 1183763), (77, 169109), (263, 49511), (643, 20251), (1841, 7073), (2893, 4501)]