25715151

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 120

約数和(自身を含む): 52968960

約数和(自身を除く): 27253809

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 31, 33, 49, 57, 63, 77, 81, 93, 99, 133, 147, 171, 189, 209, 217, 231, 279, 297, 341, 399, 441, 513, 539, 567, 589, 627, 651, 693, 837, 891, 931, 1023, 1197, 1323, 1463, 1519, 1539, 1617, 1767, 1881, 1953, 2079, 2387, 2511, 2793, 3069, 3591, 3969, 4123, 4389, 4557, 4851, 5301, 5643, 5859, 6237, 6479, 7161, 8379, 9207, 10241, 10773, 12369, 13167, 13671, 14553, 15903, 16709, 16929, 17577, 19437, 21483, 25137, 27621, 28861, 30723, 37107, 39501, 41013, 43659, 45353, 47709, 50127, 58311, 64449, 75411, 86583, 92169, 111321, 118503, 123039, 136059, 150381, 174933, 193347, 259749, 276507, 317471, 333963, 408177, 451143, 524799, 779247, 829521, 952413, 1224531, 1353429, 2337741, 2857239, 3673593, 8571717, 25715151]

約数ペア:

[(1, 25715151), (3, 8571717), (7, 3673593), (9, 2857239), (11, 2337741), (19, 1353429), (21, 1224531), (27, 952413), (31, 829521), (33, 779247), (49, 524799), (57, 451143), (63, 408177), (77, 333963), (81, 317471), (93, 276507), (99, 259749), (133, 193347), (147, 174933), (171, 150381), (189, 136059), (209, 123039), (217, 118503), (231, 111321), (279, 92169), (297, 86583), (341, 75411), (399, 64449), (441, 58311), (513, 50127), (539, 47709), (567, 45353), (589, 43659), (627, 41013), (651, 39501), (693, 37107), (837, 30723), (891, 28861), (931, 27621), (1023, 25137), (1197, 21483), (1323, 19437), (1463, 17577), (1519, 16929), (1539, 16709), (1617, 15903), (1767, 14553), (1881, 13671), (1953, 13167), (2079, 12369), (2387, 10773), (2511, 10241), (2793, 9207), (3069, 8379), (3591, 7161), (3969, 6479), (4123, 6237), (4389, 5859), (4557, 5643), (4851, 5301)]