289207827

素因数分解:

$3^4\times {\mathrm{769}}^1\times {\mathrm{4643}}^1$

素因数の和:5424

約数の個数: 20

約数和(自身を含む): 432681480

約数和(自身を除く): 143473653

約数列:

[1, 3, 9, 27, 81, 769, 2307, 4643, 6921, 13929, 20763, 41787, 62289, 125361, 376083, 3570467, 10711401, 32134203, 96402609, 289207827]

約数ペア:

[(1, 289207827), (3, 96402609), (9, 32134203), (27, 10711401), (81, 3570467), (769, 376083), (2307, 125361), (4643, 62289), (6921, 41787), (13929, 20763)]