520028667

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2069}}^1$

素因数の和:2217

約数の個数: 40

約数和(自身を含む): 811522800

約数和(自身を除く): 291494133

約数列:

[1, 3, 9, 27, 29, 81, 87, 107, 261, 321, 783, 963, 2069, 2349, 2889, 3103, 6207, 8667, 9309, 18621, 27927, 55863, 60001, 83781, 167589, 180003, 221383, 251343, 540009, 664149, 1620027, 1992447, 4860081, 5977341, 6420107, 17932023, 19260321, 57780963, 173342889, 520028667]

約数ペア:

[(1, 520028667), (3, 173342889), (9, 57780963), (27, 19260321), (29, 17932023), (81, 6420107), (87, 5977341), (107, 4860081), (261, 1992447), (321, 1620027), (783, 664149), (963, 540009), (2069, 251343), (2349, 221383), (2889, 180003), (3103, 167589), (6207, 83781), (8667, 60001), (9309, 55863), (18621, 27927)]