291240495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 645550080

約数和(自身を除く): 354309585

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 151, 157, 189, 195, 273, 315, 351, 453, 455, 471, 585, 755, 785, 819, 945, 1057, 1099, 1359, 1365, 1413, 1755, 1963, 2041, 2265, 2355, 2457, 3171, 3297, 4077, 4095, 4239, 5285, 5495, 5889, 6123, 6795, 7065, 9513, 9815, 9891, 10205, 12285, 13741, 14287, 15855, 16485, 17667, 18369, 20385, 21195, 23707, 28539, 29445, 29673, 30615, 41223, 42861, 47565, 49455, 53001, 55107, 68705, 71121, 71435, 88335, 91845, 118535, 123669, 128583, 142695, 148365, 165949, 206115, 213363, 214305, 265005, 275535, 308191, 355605, 371007, 385749, 497847, 618345, 640089, 642915, 829745, 924573, 1066815, 1493541, 1540955, 1855035, 1928745, 2157337, 2489235, 2773719, 3200445, 4480623, 4622865, 6472011, 7467705, 8321157, 10786685, 13868595, 19416033, 22403115, 32360055, 41605785, 58248099, 97080165, 291240495]

約数ペア:

[(1, 291240495), (3, 97080165), (5, 58248099), (7, 41605785), (9, 32360055), (13, 22403115), (15, 19416033), (21, 13868595), (27, 10786685), (35, 8321157), (39, 7467705), (45, 6472011), (63, 4622865), (65, 4480623), (91, 3200445), (105, 2773719), (117, 2489235), (135, 2157337), (151, 1928745), (157, 1855035), (189, 1540955), (195, 1493541), (273, 1066815), (315, 924573), (351, 829745), (453, 642915), (455, 640089), (471, 618345), (585, 497847), (755, 385749), (785, 371007), (819, 355605), (945, 308191), (1057, 275535), (1099, 265005), (1359, 214305), (1365, 213363), (1413, 206115), (1755, 165949), (1963, 148365), (2041, 142695), (2265, 128583), (2355, 123669), (2457, 118535), (3171, 91845), (3297, 88335), (4077, 71435), (4095, 71121), (4239, 68705), (5285, 55107), (5495, 53001), (5889, 49455), (6123, 47565), (6795, 42861), (7065, 41223), (9513, 30615), (9815, 29673), (9891, 29445), (10205, 28539), (12285, 23707), (13741, 21195), (14287, 20385), (15855, 18369), (16485, 17667)]