16938117

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 29552640

約数和(自身を除く): 12614523

約数列:

[1, 3, 7, 9, 21, 29, 63, 73, 87, 127, 203, 219, 261, 381, 511, 609, 657, 889, 1143, 1533, 1827, 2117, 2667, 3683, 4599, 6351, 8001, 9271, 11049, 14819, 19053, 25781, 27813, 33147, 44457, 64897, 77343, 83439, 133371, 194691, 232029, 268859, 584073, 806577, 1882013, 2419731, 5646039, 16938117]

約数ペア:

[(1, 16938117), (3, 5646039), (7, 2419731), (9, 1882013), (21, 806577), (29, 584073), (63, 268859), (73, 232029), (87, 194691), (127, 133371), (203, 83439), (219, 77343), (261, 64897), (381, 44457), (511, 33147), (609, 27813), (657, 25781), (889, 19053), (1143, 14819), (1533, 11049), (1827, 9271), (2117, 8001), (2667, 6351), (3683, 4599)]