81414837

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 140849280

約数和(自身を除く): 59434443

約数列:

[1, 3, 7, 9, 21, 37, 53, 63, 111, 159, 259, 333, 371, 477, 659, 777, 1113, 1961, 1977, 2331, 3339, 4613, 5883, 5931, 13727, 13839, 17649, 24383, 34927, 41181, 41517, 73149, 104781, 123543, 170681, 219447, 244489, 314343, 512043, 733467, 1292299, 1536129, 2200401, 3876897, 9046093, 11630691, 27138279, 81414837]

約数ペア:

[(1, 81414837), (3, 27138279), (7, 11630691), (9, 9046093), (21, 3876897), (37, 2200401), (53, 1536129), (63, 1292299), (111, 733467), (159, 512043), (259, 314343), (333, 244489), (371, 219447), (477, 170681), (659, 123543), (777, 104781), (1113, 73149), (1961, 41517), (1977, 41181), (2331, 34927), (3339, 24383), (4613, 17649), (5883, 13839), (5931, 13727)]