201816681781

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{743}}^1$

素因数の和:1187

約数の個数: 72

約数和(自身を含む): 247720394880

約数和(自身を除く): 45903713099

約数列:

[1, 11, 13, 37, 121, 143, 169, 359, 407, 481, 743, 1573, 1859, 3949, 4477, 4667, 5291, 6253, 8173, 9659, 13283, 20449, 27491, 43439, 51337, 58201, 60671, 68783, 89903, 106249, 125567, 146113, 172679, 266737, 302401, 357383, 564707, 667381, 756613, 1168739, 1381237, 1607243, 1899469, 2244827, 2934107, 3326411, 3467581, 3931213, 4645979, 7341191, 9869269, 15193607, 20894159, 24693097, 32275177, 38143391, 43243343, 45078553, 51105769, 108561959, 128300497, 271624067, 419577301, 495864083, 562163459, 1194181549, 1411305467, 1667906461, 5454504913, 15524360137, 18346971071, 201816681781]

約数ペア:

[(1, 201816681781), (11, 18346971071), (13, 15524360137), (37, 5454504913), (121, 1667906461), (143, 1411305467), (169, 1194181549), (359, 562163459), (407, 495864083), (481, 419577301), (743, 271624067), (1573, 128300497), (1859, 108561959), (3949, 51105769), (4477, 45078553), (4667, 43243343), (5291, 38143391), (6253, 32275177), (8173, 24693097), (9659, 20894159), (13283, 15193607), (20449, 9869269), (27491, 7341191), (43439, 4645979), (51337, 3931213), (58201, 3467581), (60671, 3326411), (68783, 2934107), (89903, 2244827), (106249, 1899469), (125567, 1607243), (146113, 1381237), (172679, 1168739), (266737, 756613), (302401, 667381), (357383, 564707)]