7856804961

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{640483}}^1$

素因数の和:640565

約数の個数: 24

約数和(自身を含む): 11989860480

約数和(自身を除く): 4133055519

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 4089, 12267, 640483, 1921449, 5764347, 18574007, 30102701, 55722021, 90308103, 167166063, 270924309, 872978329, 2618934987, 7856804961]

約数ペア:

[(1, 7856804961), (3, 2618934987), (9, 872978329), (29, 270924309), (47, 167166063), (87, 90308103), (141, 55722021), (261, 30102701), (423, 18574007), (1363, 5764347), (4089, 1921449), (12267, 640483)]