809790777

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{613}}^1$

素因数の和:1019

約数の個数: 40

約数和(自身を含む): 1241006976

約数和(自身を除く): 431216199

約数列:

[1, 3, 9, 27, 47, 81, 141, 347, 423, 613, 1041, 1269, 1839, 3123, 3807, 5517, 9369, 16309, 16551, 28107, 28811, 48927, 49653, 86433, 146781, 212711, 259299, 440343, 638133, 777897, 1321029, 1914399, 2333691, 5743197, 9997417, 17229591, 29992251, 89976753, 269930259, 809790777]

約数ペア:

[(1, 809790777), (3, 269930259), (9, 89976753), (27, 29992251), (47, 17229591), (81, 9997417), (141, 5743197), (347, 2333691), (423, 1914399), (613, 1321029), (1041, 777897), (1269, 638133), (1839, 440343), (3123, 259299), (3807, 212711), (5517, 146781), (9369, 86433), (16309, 49653), (16551, 48927), (28107, 28811)]