49980969

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 56

約数和(自身を含む): 82237320

約数和(自身を除く): 32256351

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 109, 111, 153, 243, 327, 333, 459, 629, 729, 981, 999, 1377, 1853, 1887, 2943, 2997, 4033, 4131, 5559, 5661, 8829, 8991, 12099, 12393, 16677, 16983, 26487, 26973, 36297, 50031, 50949, 68561, 79461, 108891, 150093, 152847, 205683, 326673, 450279, 458541, 617049, 980019, 1350837, 1851147, 2940057, 5553441, 16660323, 49980969]

約数ペア:

[(1, 49980969), (3, 16660323), (9, 5553441), (17, 2940057), (27, 1851147), (37, 1350837), (51, 980019), (81, 617049), (109, 458541), (111, 450279), (153, 326673), (243, 205683), (327, 152847), (333, 150093), (459, 108891), (629, 79461), (729, 68561), (981, 50949), (999, 50031), (1377, 36297), (1853, 26973), (1887, 26487), (2943, 16983), (2997, 16677), (4033, 12393), (4131, 12099), (5559, 8991), (5661, 8829)]