28686687

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1783}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 39733248

約数和(自身を除く): 11046561

約数列:

[1, 3, 31, 93, 173, 519, 1783, 5349, 5363, 16089, 55273, 165819, 308459, 925377, 9562229, 28686687]

約数ペア:

[(1, 28686687), (3, 9562229), (31, 925377), (93, 308459), (173, 165819), (519, 55273), (1783, 16089), (5349, 5363)]