51748281

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 82992000

約数和(自身を除く): 31243719

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 379, 389, 1137, 1167, 3411, 3501, 4927, 5057, 10233, 10503, 14781, 15171, 44343, 45513, 133029, 136539, 147431, 442293, 1326879, 1916603, 3980637, 5749809, 17249427, 51748281]

約数ペア:

[(1, 51748281), (3, 17249427), (9, 5749809), (13, 3980637), (27, 1916603), (39, 1326879), (117, 442293), (351, 147431), (379, 136539), (389, 133029), (1137, 45513), (1167, 44343), (3411, 15171), (3501, 14781), (4927, 10503), (5057, 10233)]