28700397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2213}}^1$

素因数の和:2361

約数の個数: 24

約数和(自身を含む): 45590688

約数和(自身を除く): 16890291

約数列:

[1, 3, 9, 11, 33, 99, 131, 393, 1179, 1441, 2213, 4323, 6639, 12969, 19917, 24343, 73029, 219087, 289903, 869709, 2609127, 3188933, 9566799, 28700397]

約数ペア:

[(1, 28700397), (3, 9566799), (9, 3188933), (11, 2609127), (33, 869709), (99, 289903), (131, 219087), (393, 73029), (1179, 24343), (1441, 19917), (2213, 12969), (4323, 6639)]