13943321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2624

約数の個数: 16

約数和(自身を含む): 17189760

約数和(自身を除く): 3246439

約数列:

[1, 7, 19, 41, 133, 287, 779, 2557, 5453, 17899, 48583, 104837, 340081, 733859, 1991903, 13943321]

約数ペア:

[(1, 13943321), (7, 1991903), (19, 733859), (41, 340081), (133, 104837), (287, 48583), (779, 17899), (2557, 5453)]