127309991

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 143233920

約数和(自身を除く): 15923929

約数列:

[1, 17, 23, 107, 179, 289, 391, 1819, 2461, 3043, 4117, 6647, 19153, 30923, 41837, 51731, 69989, 325601, 440519, 711229, 1189813, 5535217, 7488823, 127309991]

約数ペア:

[(1, 127309991), (17, 7488823), (23, 5535217), (107, 1189813), (179, 711229), (289, 440519), (391, 325601), (1819, 69989), (2461, 51731), (3043, 41837), (4117, 30923), (6647, 19153)]