28691223

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 15891177

約数列:

[1, 3, 11, 17, 33, 51, 187, 199, 257, 561, 597, 771, 2189, 2827, 3383, 4369, 6567, 8481, 10149, 13107, 37213, 48059, 51143, 111639, 144177, 153429, 562573, 869431, 1687719, 2608293, 9563741, 28691223]

約数ペア:

[(1, 28691223), (3, 9563741), (11, 2608293), (17, 1687719), (33, 869431), (51, 562573), (187, 153429), (199, 144177), (257, 111639), (561, 51143), (597, 48059), (771, 37213), (2189, 13107), (2827, 10149), (3383, 8481), (4369, 6567)]