20172959847

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{81097}}^1$

素因数の和:81229

約数の個数: 40

約数和(自身を含む): 31322642736

約数和(自身を除く): 11149682889

約数列:

[1, 3, 9, 27, 37, 81, 83, 111, 249, 333, 747, 999, 2241, 2997, 3071, 6723, 9213, 27639, 81097, 82917, 243291, 248751, 729873, 2189619, 3000589, 6568857, 6731051, 9001767, 20193153, 27005301, 60579459, 81015903, 181738377, 243047709, 249048887, 545215131, 747146661, 2241439983, 6724319949, 20172959847]

約数ペア:

[(1, 20172959847), (3, 6724319949), (9, 2241439983), (27, 747146661), (37, 545215131), (81, 249048887), (83, 243047709), (111, 181738377), (249, 81015903), (333, 60579459), (747, 27005301), (999, 20193153), (2241, 9001767), (2997, 6731051), (3071, 6568857), (6723, 3000589), (9213, 2189619), (27639, 729873), (81097, 248751), (82917, 243291)]