200890989

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 343284480

約数和(自身を除く): 142393491

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 131, 153, 221, 257, 351, 393, 459, 663, 771, 1179, 1703, 1989, 2227, 2313, 3341, 3537, 4369, 5109, 5967, 6681, 6939, 10023, 13107, 15327, 20043, 28951, 30069, 33667, 39321, 45981, 56797, 60129, 86853, 90207, 101001, 117963, 170391, 260559, 303003, 437671, 511173, 572339, 781677, 909009, 1313013, 1533519, 1717017, 3939039, 5151051, 7440407, 11817117, 15453153, 22321221, 66963663, 200890989]

約数ペア:

[(1, 200890989), (3, 66963663), (9, 22321221), (13, 15453153), (17, 11817117), (27, 7440407), (39, 5151051), (51, 3939039), (117, 1717017), (131, 1533519), (153, 1313013), (221, 909009), (257, 781677), (351, 572339), (393, 511173), (459, 437671), (663, 303003), (771, 260559), (1179, 170391), (1703, 117963), (1989, 101001), (2227, 90207), (2313, 86853), (3341, 60129), (3537, 56797), (4369, 45981), (5109, 39321), (5967, 33667), (6681, 30069), (6939, 28951), (10023, 20043), (13107, 15327)]