51887955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 103219200

約数和(自身を除く): 51331245

約数列:

[1, 3, 5, 7, 15, 19, 21, 31, 35, 57, 93, 95, 105, 133, 155, 217, 285, 399, 465, 589, 651, 665, 839, 1085, 1767, 1995, 2517, 2945, 3255, 4123, 4195, 5873, 8835, 12369, 12585, 15941, 17619, 20615, 26009, 29365, 47823, 61845, 78027, 79705, 88095, 111587, 130045, 182063, 239115, 334761, 390135, 494171, 546189, 557935, 910315, 1482513, 1673805, 2470855, 2730945, 3459197, 7412565, 10377591, 17295985, 51887955]

約数ペア:

[(1, 51887955), (3, 17295985), (5, 10377591), (7, 7412565), (15, 3459197), (19, 2730945), (21, 2470855), (31, 1673805), (35, 1482513), (57, 910315), (93, 557935), (95, 546189), (105, 494171), (133, 390135), (155, 334761), (217, 239115), (285, 182063), (399, 130045), (465, 111587), (589, 88095), (651, 79705), (665, 78027), (839, 61845), (1085, 47823), (1767, 29365), (1995, 26009), (2517, 20615), (2945, 17619), (3255, 15941), (4123, 12585), (4195, 12369), (5873, 8835)]