16660323

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 27387360

約数和(自身を除く): 10727037

約数列:

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

約数ペア:

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