278550963

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{22943}}^1$

素因数の和:23039

約数の個数: 24

約数和(自身を含む): 429511680

約数和(自身を除く): 150960717

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 22943, 68829, 206487, 435917, 1307751, 1628953, 3923253, 4886859, 14660577, 30950107, 92850321, 278550963]

約数ペア:

[(1, 278550963), (3, 92850321), (9, 30950107), (19, 14660577), (57, 4886859), (71, 3923253), (171, 1628953), (213, 1307751), (639, 435917), (1349, 206487), (4047, 68829), (12141, 22943)]