287156727

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{643}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 489460608

約数和(自身を除く): 202303881

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 347, 429, 643, 1041, 1287, 1929, 3123, 3817, 4511, 5787, 7073, 8359, 11451, 13533, 21219, 25077, 34353, 40599, 49621, 63657, 75231, 91949, 148863, 223121, 275847, 446589, 669363, 827541, 2008089, 2454331, 2900573, 7362993, 8701719, 22088979, 26105157, 31906303, 95718909, 287156727]

約数ペア:

[(1, 287156727), (3, 95718909), (9, 31906303), (11, 26105157), (13, 22088979), (33, 8701719), (39, 7362993), (99, 2900573), (117, 2454331), (143, 2008089), (347, 827541), (429, 669363), (643, 446589), (1041, 275847), (1287, 223121), (1929, 148863), (3123, 91949), (3817, 75231), (4511, 63657), (5787, 49621), (7073, 40599), (8359, 34353), (11451, 25077), (13533, 21219)]