251017920009

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{457227541}}^1$

素因数の和:457227608

約数の個数: 12

約数和(自身を含む): 368525398852

約数和(自身を除く): 117507478843

約数列:

[1, 3, 9, 61, 183, 549, 457227541, 1371682623, 4115047869, 27890880001, 83672640003, 251017920009]

約数ペア:

[(1, 251017920009), (3, 83672640003), (9, 27890880001), (61, 4115047869), (183, 1371682623), (549, 457227541)]