80821689

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{877}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 123903360

約数和(自身を除く): 43081671

約数列:

[1, 3, 13, 17, 39, 51, 139, 221, 417, 663, 877, 1807, 2363, 2631, 5421, 7089, 11401, 14909, 30719, 34203, 44727, 92157, 121903, 193817, 365709, 581451, 1584739, 2072351, 4754217, 6217053, 26940563, 80821689]

約数ペア:

[(1, 80821689), (3, 26940563), (13, 6217053), (17, 4754217), (39, 2072351), (51, 1584739), (139, 581451), (221, 365709), (417, 193817), (663, 121903), (877, 92157), (1807, 44727), (2363, 34203), (2631, 30719), (5421, 14909), (7089, 11401)]