81642177

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{4987}}^1$

素因数の和:5117

約数の個数: 24

約数和(自身を含む): 126056736

約数和(自身を除く): 44414559

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 1819, 4987, 5457, 14961, 16371, 44883, 84779, 254337, 533609, 763011, 1600827, 4802481, 9071353, 27214059, 81642177]

約数ペア:

[(1, 81642177), (3, 27214059), (9, 9071353), (17, 4802481), (51, 1600827), (107, 763011), (153, 533609), (321, 254337), (963, 84779), (1819, 44883), (4987, 16371), (5457, 14961)]