287770245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 539965440

約数和(自身を除く): 252195195

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 179, 183, 251, 305, 427, 537, 753, 895, 915, 1253, 1255, 1281, 1757, 2135, 2685, 3759, 3765, 5271, 6265, 6405, 8785, 10919, 15311, 18795, 26355, 32757, 44929, 45933, 54595, 76433, 76555, 107177, 134787, 163785, 224645, 229299, 229665, 314503, 321531, 382165, 535885, 673935, 943509, 1146495, 1572515, 1607655, 2740669, 4717545, 8222007, 13703345, 19184683, 41110035, 57554049, 95923415, 287770245]

約数ペア:

[(1, 287770245), (3, 95923415), (5, 57554049), (7, 41110035), (15, 19184683), (21, 13703345), (35, 8222007), (61, 4717545), (105, 2740669), (179, 1607655), (183, 1572515), (251, 1146495), (305, 943509), (427, 673935), (537, 535885), (753, 382165), (895, 321531), (915, 314503), (1253, 229665), (1255, 229299), (1281, 224645), (1757, 163785), (2135, 134787), (2685, 107177), (3759, 76555), (3765, 76433), (5271, 54595), (6265, 45933), (6405, 44929), (8785, 32757), (10919, 26355), (15311, 18795)]