664873353

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{190891}}^1$

素因数の和:190946

約数の個数: 20

約数和(自身を含む): 1016309008

約数和(自身を除く): 351435655

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 190891, 572673, 1718019, 5154057, 8208313, 15462171, 24624939, 73874817, 221624451, 664873353]

約数ペア:

[(1, 664873353), (3, 221624451), (9, 73874817), (27, 24624939), (43, 15462171), (81, 8208313), (129, 5154057), (387, 1718019), (1161, 572673), (3483, 190891)]