2681631

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{1031}}^1$

素因数の和:1071

約数の個数: 18

約数和(自身を含む): 4118712

約数和(自身を除く): 1437081

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 1031, 2601, 3093, 9279, 17527, 52581, 157743, 297959, 893877, 2681631]

約数ペア:

[(1, 2681631), (3, 893877), (9, 297959), (17, 157743), (51, 52581), (153, 17527), (289, 9279), (867, 3093), (1031, 2601)]