1020199509

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2237}}^1$

素因数の和:2399

約数の個数: 64

約数和(自身を含む): 1833369600

約数和(自身を除く): 813170091

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 127, 133, 171, 189, 381, 399, 513, 889, 1143, 1197, 2237, 2413, 2667, 3429, 3591, 6711, 7239, 8001, 15659, 16891, 20133, 21717, 24003, 42503, 46977, 50673, 60399, 65151, 127509, 140931, 152019, 284099, 297521, 382527, 422793, 456057, 852297, 892563, 1147581, 1988693, 2556891, 2677689, 5397881, 5966079, 7670673, 8033067, 16193643, 17898237, 37785167, 48580929, 53694711, 113355501, 145742787, 340066503, 1020199509]

約数ペア:

[(1, 1020199509), (3, 340066503), (7, 145742787), (9, 113355501), (19, 53694711), (21, 48580929), (27, 37785167), (57, 17898237), (63, 16193643), (127, 8033067), (133, 7670673), (171, 5966079), (189, 5397881), (381, 2677689), (399, 2556891), (513, 1988693), (889, 1147581), (1143, 892563), (1197, 852297), (2237, 456057), (2413, 422793), (2667, 382527), (3429, 297521), (3591, 284099), (6711, 152019), (7239, 140931), (8001, 127509), (15659, 65151), (16891, 60399), (20133, 50673), (21717, 46977), (24003, 42503)]