81412545

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1117}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 134589312

約数和(自身を除く): 53176767

約数列:

[1, 3, 5, 15, 43, 113, 129, 215, 339, 565, 645, 1117, 1695, 3351, 4859, 5585, 14577, 16755, 24295, 48031, 72885, 126221, 144093, 240155, 378663, 631105, 720465, 1893315, 5427503, 16282509, 27137515, 81412545]

約数ペア:

[(1, 81412545), (3, 27137515), (5, 16282509), (15, 5427503), (43, 1893315), (113, 720465), (129, 631105), (215, 378663), (339, 240155), (565, 144093), (645, 126221), (1117, 72885), (1695, 48031), (3351, 24295), (4859, 16755), (5585, 14577)]