55451781

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 107827200

約数和(自身を除く): 52375419

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 49, 63, 69, 71, 77, 99, 147, 161, 207, 213, 231, 253, 343, 441, 483, 497, 539, 639, 693, 759, 781, 1029, 1127, 1449, 1491, 1617, 1633, 1771, 2277, 2343, 3087, 3381, 3479, 3773, 4473, 4851, 4899, 5313, 5467, 7029, 7889, 10143, 10437, 11319, 11431, 12397, 14697, 15939, 16401, 17963, 23667, 24353, 31311, 33957, 34293, 37191, 38269, 49203, 53889, 71001, 73059, 80017, 86779, 102879, 111573, 114807, 125741, 161667, 219177, 240051, 260337, 267883, 344421, 377223, 560119, 720153, 781011, 803649, 880187, 1131669, 1680357, 2410947, 2640561, 5041071, 6161309, 7921683, 18483927, 55451781]

約数ペア:

[(1, 55451781), (3, 18483927), (7, 7921683), (9, 6161309), (11, 5041071), (21, 2640561), (23, 2410947), (33, 1680357), (49, 1131669), (63, 880187), (69, 803649), (71, 781011), (77, 720153), (99, 560119), (147, 377223), (161, 344421), (207, 267883), (213, 260337), (231, 240051), (253, 219177), (343, 161667), (441, 125741), (483, 114807), (497, 111573), (539, 102879), (639, 86779), (693, 80017), (759, 73059), (781, 71001), (1029, 53889), (1127, 49203), (1449, 38269), (1491, 37191), (1617, 34293), (1633, 33957), (1771, 31311), (2277, 24353), (2343, 23667), (3087, 17963), (3381, 16401), (3479, 15939), (3773, 14697), (4473, 12397), (4851, 11431), (4899, 11319), (5313, 10437), (5467, 10143), (7029, 7889)]