1891281

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{797}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 2911104

約数和(自身を除く): 1019823

約数列:

[1, 3, 7, 21, 113, 339, 791, 797, 2373, 2391, 5579, 16737, 90061, 270183, 630427, 1891281]

約数ペア:

[(1, 1891281), (3, 630427), (7, 270183), (21, 90061), (113, 16737), (339, 5579), (791, 2391), (797, 2373)]