1972971

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:113

約数の個数: 64

約数和(自身を含む): 3978240

約数和(自身を除く): 2005269

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 73, 77, 91, 99, 117, 143, 189, 219, 231, 273, 297, 351, 429, 511, 657, 693, 803, 819, 949, 1001, 1287, 1533, 1971, 2079, 2409, 2457, 2847, 3003, 3861, 4599, 5621, 6643, 7227, 8541, 9009, 10439, 13797, 16863, 19929, 21681, 25623, 27027, 31317, 50589, 59787, 73073, 93951, 151767, 179361, 219219, 281853, 657657, 1972971]

約数ペア:

[(1, 1972971), (3, 657657), (7, 281853), (9, 219219), (11, 179361), (13, 151767), (21, 93951), (27, 73073), (33, 59787), (39, 50589), (63, 31317), (73, 27027), (77, 25623), (91, 21681), (99, 19929), (117, 16863), (143, 13797), (189, 10439), (219, 9009), (231, 8541), (273, 7227), (297, 6643), (351, 5621), (429, 4599), (511, 3861), (657, 3003), (693, 2847), (803, 2457), (819, 2409), (949, 2079), (1001, 1971), (1287, 1533)]