1656081

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 2772224

約数和(自身を除く): 1116143

約数列:

[1, 3, 7, 9, 21, 63, 97, 271, 291, 679, 813, 873, 1897, 2037, 2439, 5691, 6111, 17073, 26287, 78861, 184009, 236583, 552027, 1656081]

約数ペア:

[(1, 1656081), (3, 552027), (7, 236583), (9, 184009), (21, 78861), (63, 26287), (97, 17073), (271, 6111), (291, 5691), (679, 2439), (813, 2037), (873, 1897)]