28776861

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 43155840

約数和(自身を除く): 14378979

約数列:

[1, 3, 9, 37, 103, 111, 309, 333, 839, 927, 2517, 3811, 7551, 11433, 31043, 34299, 86417, 93129, 259251, 279387, 777753, 3197429, 9592287, 28776861]

約数ペア:

[(1, 28776861), (3, 9592287), (9, 3197429), (37, 777753), (103, 279387), (111, 259251), (309, 93129), (333, 86417), (839, 34299), (927, 31043), (2517, 11433), (3811, 7551)]