13231855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2237}}^1$

素因数の和:2275

約数の個数: 24

約数和(自身を含む): 19658592

約数和(自身を除く): 6426737

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 2237, 5915, 11185, 15659, 29081, 78295, 145405, 203567, 378053, 1017835, 1890265, 2646371, 13231855]

約数ペア:

[(1, 13231855), (5, 2646371), (7, 1890265), (13, 1017835), (35, 378053), (65, 203567), (91, 145405), (169, 78295), (455, 29081), (845, 15659), (1183, 11185), (2237, 5915)]