218362473

素因数分解:

$3^6\times 7^2\times {\mathrm{6113}}^1$

素因数の和:6145

約数の個数: 42

約数和(自身を含む): 380908314

約数和(自身を除く): 162545841

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 3969, 5103, 6113, 11907, 18339, 35721, 42791, 55017, 128373, 165051, 299537, 385119, 495153, 898611, 1155357, 1485459, 2695833, 3466071, 4456377, 8087499, 10398213, 24262497, 31194639, 72787491, 218362473]

約数ペア:

[(1, 218362473), (3, 72787491), (7, 31194639), (9, 24262497), (21, 10398213), (27, 8087499), (49, 4456377), (63, 3466071), (81, 2695833), (147, 1485459), (189, 1155357), (243, 898611), (441, 495153), (567, 385119), (729, 299537), (1323, 165051), (1701, 128373), (3969, 55017), (5103, 42791), (6113, 35721), (11907, 18339)]