285423723

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18911}}^1$

素因数の和:18976

約数の個数: 32

約数和(自身を含む): 465991680

約数和(自身を除く): 180567957

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 5031, 15093, 18911, 56733, 170199, 245843, 510597, 737529, 813173, 2212587, 2439519, 6637761, 7318557, 10571249, 21955671, 31713747, 95141241, 285423723]

約数ペア:

[(1, 285423723), (3, 95141241), (9, 31713747), (13, 21955671), (27, 10571249), (39, 7318557), (43, 6637761), (117, 2439519), (129, 2212587), (351, 813173), (387, 737529), (559, 510597), (1161, 245843), (1677, 170199), (5031, 56733), (15093, 18911)]