51915249

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 82555200

約数和(自身を除く): 30639951

約数列:

[1, 3, 9, 27, 29, 53, 81, 87, 139, 159, 243, 261, 417, 477, 783, 1251, 1431, 1537, 2349, 3753, 4031, 4293, 4611, 7047, 7367, 11259, 12093, 12879, 13833, 22101, 33777, 36279, 41499, 66303, 108837, 124497, 198909, 213643, 326511, 373491, 596727, 640929, 979533, 1790181, 1922787, 5768361, 17305083, 51915249]

約数ペア:

[(1, 51915249), (3, 17305083), (9, 5768361), (27, 1922787), (29, 1790181), (53, 979533), (81, 640929), (87, 596727), (139, 373491), (159, 326511), (243, 213643), (261, 198909), (417, 124497), (477, 108837), (783, 66303), (1251, 41499), (1431, 36279), (1537, 33777), (2349, 22101), (3753, 13833), (4031, 12879), (4293, 12093), (4611, 11259), (7047, 7367)]