27591381

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 42681600

約数和(自身を除く): 15090219

約数列:

[1, 3, 9, 27, 37, 71, 111, 213, 333, 389, 639, 999, 1167, 1917, 2627, 3501, 7881, 10503, 14393, 23643, 27619, 43179, 70929, 82857, 129537, 248571, 388611, 745713, 1021903, 3065709, 9197127, 27591381]

約数ペア:

[(1, 27591381), (3, 9197127), (9, 3065709), (27, 1021903), (37, 745713), (71, 388611), (111, 248571), (213, 129537), (333, 82857), (389, 70929), (639, 43179), (999, 27619), (1167, 23643), (1917, 14393), (2627, 10503), (3501, 7881)]