81153657

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{77069}}^1$

素因数の和:77094

約数の個数: 20

約数和(自身を含む): 130556580

約数和(自身を除く): 49402923

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 77069, 231207, 693621, 1001897, 2080863, 3005691, 6242589, 9017073, 27051219, 81153657]

約数ペア:

[(1, 81153657), (3, 27051219), (9, 9017073), (13, 6242589), (27, 3005691), (39, 2080863), (81, 1001897), (117, 693621), (351, 231207), (1053, 77069)]