28639071

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4463}}^1$

素因数の和:4523

約数の個数: 24

約数和(自身を含む): 44568576

約数和(自身を除く): 15929505

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 4463, 6417, 13389, 40167, 102649, 138353, 307947, 415059, 923841, 1245177, 3182119, 9546357, 28639071]

約数ペア:

[(1, 28639071), (3, 9546357), (9, 3182119), (23, 1245177), (31, 923841), (69, 415059), (93, 307947), (207, 138353), (279, 102649), (713, 40167), (2139, 13389), (4463, 6417)]