204884901

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 339655680

約数和(自身を除く): 134770779

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 239, 431, 663, 717, 1293, 1989, 2151, 3107, 3879, 4063, 5603, 7327, 9321, 12189, 16809, 21981, 27963, 36567, 50427, 52819, 65943, 95251, 103009, 158457, 285753, 309027, 475371, 857259, 927081, 1339117, 1751153, 4017351, 5253459, 12052053, 15760377, 22764989, 68294967, 204884901]

約数ペア:

[(1, 204884901), (3, 68294967), (9, 22764989), (13, 15760377), (17, 12052053), (39, 5253459), (51, 4017351), (117, 1751153), (153, 1339117), (221, 927081), (239, 857259), (431, 475371), (663, 309027), (717, 285753), (1293, 158457), (1989, 103009), (2151, 95251), (3107, 65943), (3879, 52819), (4063, 50427), (5603, 36567), (7327, 27963), (9321, 21981), (12189, 16809)]