86591997

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 133189056

約数和(自身を除く): 46597059

約数列:

[1, 3, 9, 27, 81, 97, 103, 107, 291, 309, 321, 873, 927, 963, 2619, 2781, 2889, 7857, 8343, 8667, 9991, 10379, 11021, 29973, 31137, 33063, 89919, 93411, 99189, 269757, 280233, 297567, 809271, 840699, 892701, 1069037, 3207111, 9621333, 28863999, 86591997]

約数ペア:

[(1, 86591997), (3, 28863999), (9, 9621333), (27, 3207111), (81, 1069037), (97, 892701), (103, 840699), (107, 809271), (291, 297567), (309, 280233), (321, 269757), (873, 99189), (927, 93411), (963, 89919), (2619, 33063), (2781, 31137), (2889, 29973), (7857, 11021), (8343, 10379), (8667, 9991)]