686993319

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{701}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 1068107040

約数和(自身を除く): 381113721

約数列:

[1, 3, 9, 27, 37, 81, 109, 111, 243, 327, 333, 701, 981, 999, 2103, 2943, 2997, 4033, 6309, 8829, 8991, 12099, 18927, 25937, 26487, 36297, 56781, 76409, 77811, 108891, 170343, 229227, 233433, 326673, 687681, 700299, 980019, 2063043, 2100897, 2827133, 6189129, 6302691, 8481399, 18567387, 25444197, 76332591, 228997773, 686993319]

約数ペア:

[(1, 686993319), (3, 228997773), (9, 76332591), (27, 25444197), (37, 18567387), (81, 8481399), (109, 6302691), (111, 6189129), (243, 2827133), (327, 2100897), (333, 2063043), (701, 980019), (981, 700299), (999, 687681), (2103, 326673), (2943, 233433), (2997, 229227), (4033, 170343), (6309, 108891), (8829, 77811), (8991, 76409), (12099, 56781), (18927, 36297), (25937, 26487)]