25285689

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:132

約数の個数: 80

約数和(自身を含む): 46347840

約数和(自身を除く): 21062151

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 59, 81, 99, 111, 117, 143, 177, 297, 333, 351, 407, 429, 481, 531, 649, 767, 891, 999, 1053, 1221, 1287, 1443, 1593, 1947, 2183, 2301, 2997, 3663, 3861, 4329, 4779, 5291, 5841, 6549, 6903, 8437, 10989, 11583, 12987, 15873, 17523, 19647, 20709, 24013, 25311, 28379, 32967, 38961, 47619, 52569, 58941, 62127, 72039, 75933, 85137, 142857, 176823, 216117, 227799, 255411, 312169, 428571, 648351, 683397, 766233, 936507, 1945053, 2298699, 2809521, 8428563, 25285689]

約数ペア:

[(1, 25285689), (3, 8428563), (9, 2809521), (11, 2298699), (13, 1945053), (27, 936507), (33, 766233), (37, 683397), (39, 648351), (59, 428571), (81, 312169), (99, 255411), (111, 227799), (117, 216117), (143, 176823), (177, 142857), (297, 85137), (333, 75933), (351, 72039), (407, 62127), (429, 58941), (481, 52569), (531, 47619), (649, 38961), (767, 32967), (891, 28379), (999, 25311), (1053, 24013), (1221, 20709), (1287, 19647), (1443, 17523), (1593, 15873), (1947, 12987), (2183, 11583), (2301, 10989), (2997, 8437), (3663, 6903), (3861, 6549), (4329, 5841), (4779, 5291)]