121313231319

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{7712711}}^1$

素因数の和:7712835

約数の個数: 24

約数和(自身を含む): 189917820288

約数和(自身を除く): 68604588969

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 15729, 7712711, 23138133, 53988977, 161966931, 377922839, 825260077, 1133768517, 2475780231, 5776820539, 17330461617, 40437743773, 121313231319]

約数ペア:

[(1, 121313231319), (3, 40437743773), (7, 17330461617), (21, 5776820539), (49, 2475780231), (107, 1133768517), (147, 825260077), (321, 377922839), (749, 161966931), (2247, 53988977), (5243, 23138133), (15729, 7712711)]