2128202217

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{655033}}^1$

素因数の和:655077

約数の個数: 18

約数和(自身を含む): 3244383402

約数和(自身を除く): 1116181185

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 655033, 1965099, 5895297, 12445627, 37336881, 112010643, 236466913, 709400739, 2128202217]

約数ペア:

[(1, 2128202217), (3, 709400739), (9, 236466913), (19, 112010643), (57, 37336881), (171, 12445627), (361, 5895297), (1083, 1965099), (3249, 655033)]