287597889

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{39113}}^1$

素因数の和:39181

約数の個数: 24

約数和(自身を含む): 447464160

約数和(自身を除く): 159866271

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 39113, 117339, 352017, 743147, 1681859, 2229441, 5045577, 6688323, 15136731, 31955321, 95865963, 287597889]

約数ペア:

[(1, 287597889), (3, 95865963), (9, 31955321), (19, 15136731), (43, 6688323), (57, 5045577), (129, 2229441), (171, 1681859), (387, 743147), (817, 352017), (2451, 117339), (7353, 39113)]