81204321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 124571520

約数和(自身を除く): 43367199

約数列:

[1, 3, 11, 29, 33, 53, 87, 159, 319, 583, 957, 1537, 1601, 1749, 4611, 4803, 16907, 17611, 46429, 50721, 52833, 84853, 139287, 254559, 510719, 933383, 1532157, 2460737, 2800149, 7382211, 27068107, 81204321]

約数ペア:

[(1, 81204321), (3, 27068107), (11, 7382211), (29, 2800149), (33, 2460737), (53, 1532157), (87, 933383), (159, 510719), (319, 254559), (583, 139287), (957, 84853), (1537, 52833), (1601, 50721), (1749, 46429), (4611, 17611), (4803, 16907)]