4977981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 7756320

約数和(自身を除く): 2778339

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 677, 817, 2031, 2451, 6093, 7353, 12863, 29111, 38589, 87333, 115767, 261999, 553109, 1659327, 4977981]

約数ペア:

[(1, 4977981), (3, 1659327), (9, 553109), (19, 261999), (43, 115767), (57, 87333), (129, 38589), (171, 29111), (387, 12863), (677, 7353), (817, 6093), (2031, 2451)]