678762081

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83891}}^1$

素因数の和:83957

約数の個数: 24

約数和(自身を含む): 1046972160

約数和(自身を除く): 368210079

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2697, 8091, 83891, 251673, 755019, 2432839, 2600621, 7298517, 7801863, 21895551, 23405589, 75418009, 226254027, 678762081]

約数ペア:

[(1, 678762081), (3, 226254027), (9, 75418009), (29, 23405589), (31, 21895551), (87, 7801863), (93, 7298517), (261, 2600621), (279, 2432839), (899, 755019), (2697, 251673), (8091, 83891)]