518486517

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{6389}}^1$

素因数の和:6593

約数の個数: 24

約数和(自身を含む): 765573120

約数和(自身を除く): 247086603

約数列:

[1, 3, 9, 71, 127, 213, 381, 639, 1143, 6389, 9017, 19167, 27051, 57501, 81153, 453619, 811403, 1360857, 2434209, 4082571, 7302627, 57609613, 172828839, 518486517]

約数ペア:

[(1, 518486517), (3, 172828839), (9, 57609613), (71, 7302627), (127, 4082571), (213, 2434209), (381, 1360857), (639, 811403), (1143, 453619), (6389, 81153), (9017, 57501), (19167, 27051)]