51571575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 102600576

約数和(自身を除く): 51029001

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 67, 75, 99, 165, 201, 225, 275, 311, 335, 495, 603, 737, 825, 933, 1005, 1555, 1675, 2211, 2475, 2799, 3015, 3421, 3685, 4665, 5025, 6633, 7775, 10263, 11055, 13995, 15075, 17105, 18425, 20837, 23325, 30789, 33165, 51315, 55275, 62511, 69975, 85525, 104185, 153945, 165825, 187533, 229207, 256575, 312555, 520925, 687621, 769725, 937665, 1146035, 1562775, 2062863, 3438105, 4688325, 5730175, 10314315, 17190525, 51571575]

約数ペア:

[(1, 51571575), (3, 17190525), (5, 10314315), (9, 5730175), (11, 4688325), (15, 3438105), (25, 2062863), (33, 1562775), (45, 1146035), (55, 937665), (67, 769725), (75, 687621), (99, 520925), (165, 312555), (201, 256575), (225, 229207), (275, 187533), (311, 165825), (335, 153945), (495, 104185), (603, 85525), (737, 69975), (825, 62511), (933, 55275), (1005, 51315), (1555, 33165), (1675, 30789), (2211, 23325), (2475, 20837), (2799, 18425), (3015, 17105), (3421, 15075), (3685, 13995), (4665, 11055), (5025, 10263), (6633, 7775)]