1899691785

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1871}}^1$

素因数の和:2020

約数の個数: 80

約数和(自身を含む): 3587950080

約数和(自身を除く): 1688258295

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 109, 115, 135, 207, 327, 345, 405, 545, 621, 981, 1035, 1635, 1863, 1871, 2507, 2943, 3105, 4905, 5613, 7521, 8829, 9315, 9355, 12535, 14715, 16839, 22563, 28065, 37605, 43033, 44145, 50517, 67689, 84195, 112815, 129099, 151551, 203067, 203939, 215165, 252585, 338445, 387297, 611817, 645495, 757755, 1015335, 1019695, 1161891, 1835451, 1936485, 3059085, 3485673, 4690597, 5506353, 5809455, 9177255, 14071791, 16519059, 17428365, 23452985, 27531765, 42215373, 70358955, 82595295, 126646119, 211076865, 379938357, 633230595, 1899691785]

約数ペア:

[(1, 1899691785), (3, 633230595), (5, 379938357), (9, 211076865), (15, 126646119), (23, 82595295), (27, 70358955), (45, 42215373), (69, 27531765), (81, 23452985), (109, 17428365), (115, 16519059), (135, 14071791), (207, 9177255), (327, 5809455), (345, 5506353), (405, 4690597), (545, 3485673), (621, 3059085), (981, 1936485), (1035, 1835451), (1635, 1161891), (1863, 1019695), (1871, 1015335), (2507, 757755), (2943, 645495), (3105, 611817), (4905, 387297), (5613, 338445), (7521, 252585), (8829, 215165), (9315, 203939), (9355, 203067), (12535, 151551), (14715, 129099), (16839, 112815), (22563, 84195), (28065, 67689), (37605, 50517), (43033, 44145)]