51271623

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 90256320

約数和(自身を除く): 38984697

約数列:

[1, 3, 9, 13, 23, 27, 29, 39, 69, 73, 81, 87, 117, 207, 219, 261, 299, 351, 377, 621, 657, 667, 783, 897, 949, 1053, 1131, 1679, 1863, 1971, 2001, 2117, 2349, 2691, 2847, 3393, 5037, 5913, 6003, 6351, 8073, 8541, 8671, 10179, 15111, 18009, 19053, 21827, 24219, 25623, 26013, 27521, 30537, 45333, 48691, 54027, 57159, 65481, 76869, 78039, 82563, 135999, 146073, 171477, 196443, 234117, 247689, 438219, 589329, 632983, 702351, 743067, 1314657, 1767987, 1898949, 2229201, 3943971, 5696847, 17090541, 51271623]

約数ペア:

[(1, 51271623), (3, 17090541), (9, 5696847), (13, 3943971), (23, 2229201), (27, 1898949), (29, 1767987), (39, 1314657), (69, 743067), (73, 702351), (81, 632983), (87, 589329), (117, 438219), (207, 247689), (219, 234117), (261, 196443), (299, 171477), (351, 146073), (377, 135999), (621, 82563), (657, 78039), (667, 76869), (783, 65481), (897, 57159), (949, 54027), (1053, 48691), (1131, 45333), (1679, 30537), (1863, 27521), (1971, 26013), (2001, 25623), (2117, 24219), (2349, 21827), (2691, 19053), (2847, 18009), (3393, 15111), (5037, 10179), (5913, 8671), (6003, 8541), (6351, 8073)]