13991005

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3881}}^1$

素因数の和:3996

約数の個数: 16

約数和(自身を含む): 19378944

約数和(自身を除く): 5387939

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 3881, 19405, 27167, 135835, 399743, 1998715, 2798201, 13991005]

約数ペア:

[(1, 13991005), (5, 2798201), (7, 1998715), (35, 399743), (103, 135835), (515, 27167), (721, 19405), (3605, 3881)]