808444557

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{19157}}^1$

素因数の和:19690

約数の個数: 20

約数和(自身を含む): 1210057596

約数和(自身を除く): 401613039

約数列:

[1, 3, 9, 27, 81, 521, 1563, 4689, 14067, 19157, 42201, 57471, 172413, 517239, 1551717, 9980797, 29942391, 89827173, 269481519, 808444557]

約数ペア:

[(1, 808444557), (3, 269481519), (9, 89827173), (27, 29942391), (81, 9980797), (521, 1551717), (1563, 517239), (4689, 172413), (14067, 57471), (19157, 42201)]