805702947

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1129}}^1\times {\mathrm{1999}}^1$

素因数の和:3155

約数の個数: 32

約数和(自身を含む): 1301760000

約数和(自身を除く): 496057053

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1129, 1999, 3387, 5997, 7903, 13993, 19193, 23709, 33983, 41979, 57579, 101949, 134351, 237881, 403053, 713643, 2256871, 6770613, 15798097, 38366807, 47394291, 115100421, 268567649, 805702947]

約数ペア:

[(1, 805702947), (3, 268567649), (7, 115100421), (17, 47394291), (21, 38366807), (51, 15798097), (119, 6770613), (357, 2256871), (1129, 713643), (1999, 403053), (3387, 237881), (5997, 134351), (7903, 101949), (13993, 57579), (19193, 41979), (23709, 33983)]