13721385

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6581}}^1$

素因数の和:6728

約数の個数: 16

約数和(自身を含む): 22115520

約数和(自身を除く): 8394135

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 6581, 19743, 32905, 98715, 914759, 2744277, 4573795, 13721385]

約数ペア:

[(1, 13721385), (3, 4573795), (5, 2744277), (15, 914759), (139, 98715), (417, 32905), (695, 19743), (2085, 6581)]