17720131131

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{751}}^1\times {\mathrm{7873}}^1$

素因数の和:8673

約数の個数: 40

約数和(自身を含む): 27225898304

約数和(自身を除く): 9505767173

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 751, 999, 2253, 2997, 6759, 7873, 20277, 23619, 27787, 60831, 70857, 83361, 212571, 250083, 291301, 637713, 750249, 873903, 2250747, 2621709, 5912623, 7865127, 17737869, 23595381, 53213607, 159640821, 218767051, 478922463, 656301153, 1968903459, 5906710377, 17720131131]

約数ペア:

[(1, 17720131131), (3, 5906710377), (9, 1968903459), (27, 656301153), (37, 478922463), (81, 218767051), (111, 159640821), (333, 53213607), (751, 23595381), (999, 17737869), (2253, 7865127), (2997, 5912623), (6759, 2621709), (7873, 2250747), (20277, 873903), (23619, 750249), (27787, 637713), (60831, 291301), (70857, 250083), (83361, 212571)]