86905719

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{547}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 127662080

約数和(自身を除く): 40756361

約数列:

[1, 3, 9, 127, 139, 381, 417, 547, 1143, 1251, 1641, 4923, 17653, 52959, 69469, 76033, 158877, 208407, 228099, 625221, 684297, 9656191, 28968573, 86905719]

約数ペア:

[(1, 86905719), (3, 28968573), (9, 9656191), (127, 684297), (139, 625221), (381, 228099), (417, 208407), (547, 158877), (1143, 76033), (1251, 69469), (1641, 52959), (4923, 17653)]