81855423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2207}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 127790208

約数和(自身を除く): 45934785

約数列:

[1, 3, 9, 13, 39, 117, 317, 951, 2207, 2853, 4121, 6621, 12363, 19863, 28691, 37089, 86073, 258219, 699619, 2098857, 6296571, 9095047, 27285141, 81855423]

約数ペア:

[(1, 81855423), (3, 27285141), (9, 9095047), (13, 6296571), (39, 2098857), (117, 699619), (317, 258219), (951, 86073), (2207, 37089), (2853, 28691), (4121, 19863), (6621, 12363)]