31157819

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2339}}^1$

素因数の和:2530

約数の個数: 16

約数和(自身を含む): 39087360

約数和(自身を除く): 7929541

約数列:

[1, 7, 11, 77, 173, 1211, 1903, 2339, 13321, 16373, 25729, 180103, 404647, 2832529, 4451117, 31157819]

約数ペア:

[(1, 31157819), (7, 4451117), (11, 2832529), (77, 404647), (173, 180103), (1211, 25729), (1903, 16373), (2339, 13321)]