651335997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{20593}}^1$

素因数の和:21420

約数の個数: 16

約数和(自身を含む): 936450368

約数和(自身を除く): 285114371

約数列:

[1, 3, 13, 39, 811, 2433, 10543, 20593, 31629, 61779, 267709, 803127, 16700923, 50102769, 217111999, 651335997]

約数ペア:

[(1, 651335997), (3, 217111999), (13, 50102769), (39, 16700923), (811, 803127), (2433, 267709), (10543, 61779), (20593, 31629)]