65540397

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{503}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 95183424

約数和(自身を除く): 29643027

約数列:

[1, 3, 13, 39, 169, 257, 503, 507, 771, 1509, 3341, 6539, 10023, 19617, 43433, 85007, 129271, 130299, 255021, 387813, 1680523, 5041569, 21846799, 65540397]

約数ペア:

[(1, 65540397), (3, 21846799), (13, 5041569), (39, 1680523), (169, 387813), (257, 255021), (503, 130299), (507, 129271), (771, 85007), (1509, 43433), (3341, 19617), (6539, 10023)]