27767205

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 54624240

約数和(自身を除く): 26857035

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 81, 85, 109, 111, 135, 153, 185, 255, 327, 333, 405, 459, 545, 555, 629, 765, 981, 999, 1377, 1635, 1665, 1853, 1887, 2295, 2943, 2997, 3145, 4033, 4905, 4995, 5559, 5661, 6885, 8829, 9265, 9435, 12099, 14715, 14985, 16677, 16983, 20165, 27795, 28305, 36297, 44145, 50031, 50949, 60495, 68561, 83385, 84915, 108891, 150093, 181485, 205683, 250155, 254745, 326673, 342805, 544455, 617049, 750465, 1028415, 1633365, 1851147, 3085245, 5553441, 9255735, 27767205]

約数ペア:

[(1, 27767205), (3, 9255735), (5, 5553441), (9, 3085245), (15, 1851147), (17, 1633365), (27, 1028415), (37, 750465), (45, 617049), (51, 544455), (81, 342805), (85, 326673), (109, 254745), (111, 250155), (135, 205683), (153, 181485), (185, 150093), (255, 108891), (327, 84915), (333, 83385), (405, 68561), (459, 60495), (545, 50949), (555, 50031), (629, 44145), (765, 36297), (981, 28305), (999, 27795), (1377, 20165), (1635, 16983), (1665, 16677), (1853, 14985), (1887, 14715), (2295, 12099), (2943, 9435), (2997, 9265), (3145, 8829), (4033, 6885), (4905, 5661), (4995, 5559)]