210898989

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{4643}}^1$

素因数の和:4766

約数の個数: 36

約数和(自身を含む): 357885216

約数和(自身を除く): 146986227

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 441, 721, 927, 2163, 4643, 5047, 6489, 13929, 15141, 32501, 41787, 45423, 97503, 227507, 292509, 478229, 682521, 1434687, 2047563, 3347603, 4304061, 10042809, 23433221, 30128427, 70299663, 210898989]

約数ペア:

[(1, 210898989), (3, 70299663), (7, 30128427), (9, 23433221), (21, 10042809), (49, 4304061), (63, 3347603), (103, 2047563), (147, 1434687), (309, 682521), (441, 478229), (721, 292509), (927, 227507), (2163, 97503), (4643, 45423), (5047, 41787), (6489, 32501), (13929, 15141)]