1640984319

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{4675169}}^1$

素因数の和:4675191

約数の個数: 16

約数和(自身を含む): 2618095200

約数和(自身を除く): 977110881

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 4675169, 14025507, 42076521, 60777197, 126229563, 182331591, 546994773, 1640984319]

約数ペア:

[(1, 1640984319), (3, 546994773), (9, 182331591), (13, 126229563), (27, 60777197), (39, 42076521), (117, 14025507), (351, 4675169)]