201255999

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 340623360

約数和(自身を除く): 139367361

約数列:

[1, 3, 7, 19, 21, 31, 53, 57, 93, 133, 159, 217, 307, 371, 399, 589, 651, 921, 1007, 1113, 1643, 1767, 2149, 3021, 4123, 4929, 5833, 6447, 7049, 9517, 11501, 12369, 16271, 17499, 21147, 28551, 31217, 34503, 40831, 48813, 66619, 93651, 113897, 122493, 180823, 199857, 218519, 309149, 341691, 504401, 542469, 655557, 927447, 1265761, 1513203, 2164043, 3530807, 3797283, 6492129, 9583619, 10592421, 28750857, 67085333, 201255999]

約数ペア:

[(1, 201255999), (3, 67085333), (7, 28750857), (19, 10592421), (21, 9583619), (31, 6492129), (53, 3797283), (57, 3530807), (93, 2164043), (133, 1513203), (159, 1265761), (217, 927447), (307, 655557), (371, 542469), (399, 504401), (589, 341691), (651, 309149), (921, 218519), (1007, 199857), (1113, 180823), (1643, 122493), (1767, 113897), (2149, 93651), (3021, 66619), (4123, 48813), (4929, 40831), (5833, 34503), (6447, 31217), (7049, 28551), (9517, 21147), (11501, 17499), (12369, 16271)]