199917081

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10613}}^1$

素因数の和:10662

約数の個数: 48

約数和(自身を含む): 370895616

約数和(自身を除く): 170978535

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1449, 2093, 2691, 6279, 10613, 18837, 31839, 74291, 95517, 137969, 222873, 244099, 413907, 668619, 732297, 965783, 1241721, 1708693, 2196891, 2897349, 3173287, 5126079, 8692047, 9519861, 15378237, 22213009, 28559583, 66639027, 199917081]

約数ペア:

[(1, 199917081), (3, 66639027), (7, 28559583), (9, 22213009), (13, 15378237), (21, 9519861), (23, 8692047), (39, 5126079), (63, 3173287), (69, 2897349), (91, 2196891), (117, 1708693), (161, 1241721), (207, 965783), (273, 732297), (299, 668619), (483, 413907), (819, 244099), (897, 222873), (1449, 137969), (2093, 95517), (2691, 74291), (6279, 31839), (10613, 18837)]