2119563

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 3234816

約数和(自身を除く): 1115253

約数列:

[1, 3, 9, 31, 71, 93, 107, 213, 279, 321, 639, 963, 2201, 3317, 6603, 7597, 9951, 19809, 22791, 29853, 68373, 235507, 706521, 2119563]

約数ペア:

[(1, 2119563), (3, 706521), (9, 235507), (31, 68373), (71, 29853), (93, 22791), (107, 19809), (213, 9951), (279, 7597), (321, 6603), (639, 3317), (963, 2201)]