172330785

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20479}}^1$

素因数の和:20518

約数の個数: 48

約数和(自身を含む): 345047040

約数和(自身を除く): 172716255

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2805, 8415, 20479, 61437, 102395, 184311, 225269, 307185, 348143, 675807, 921555, 1044429, 1126345, 1740715, 2027421, 3133287, 3379035, 3829573, 5222145, 10137105, 11488719, 15666435, 19147865, 34466157, 57443595, 172330785]

約数ペア:

[(1, 172330785), (3, 57443595), (5, 34466157), (9, 19147865), (11, 15666435), (15, 11488719), (17, 10137105), (33, 5222145), (45, 3829573), (51, 3379035), (55, 3133287), (85, 2027421), (99, 1740715), (153, 1126345), (165, 1044429), (187, 921555), (255, 675807), (495, 348143), (561, 307185), (765, 225269), (935, 184311), (1683, 102395), (2805, 61437), (8415, 20479)]