217466205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 393984000

約数和(自身を除く): 176517795

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 179, 185, 199, 407, 537, 555, 597, 895, 995, 1221, 1969, 2035, 2189, 2685, 2985, 5907, 6105, 6567, 6623, 7363, 9845, 10945, 19869, 22089, 29535, 32835, 33115, 35621, 36815, 72853, 80993, 99345, 106863, 110445, 178105, 218559, 242979, 364265, 391831, 404965, 534315, 1092795, 1175493, 1214895, 1317977, 1959155, 3953931, 5877465, 6589885, 14497747, 19769655, 43493241, 72488735, 217466205]

約数ペア:

[(1, 217466205), (3, 72488735), (5, 43493241), (11, 19769655), (15, 14497747), (33, 6589885), (37, 5877465), (55, 3953931), (111, 1959155), (165, 1317977), (179, 1214895), (185, 1175493), (199, 1092795), (407, 534315), (537, 404965), (555, 391831), (597, 364265), (895, 242979), (995, 218559), (1221, 178105), (1969, 110445), (2035, 106863), (2189, 99345), (2685, 80993), (2985, 72853), (5907, 36815), (6105, 35621), (6567, 33115), (6623, 32835), (7363, 29535), (9845, 22089), (10945, 19869)]