42555579

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{1987}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 63456960

約数和(自身を除く): 20901381

約数列:

[1, 3, 11, 33, 59, 121, 177, 363, 649, 1947, 1987, 5961, 7139, 21417, 21857, 65571, 117233, 240427, 351699, 721281, 1289563, 3868689, 14185193, 42555579]

約数ペア:

[(1, 42555579), (3, 14185193), (11, 3868689), (33, 1289563), (59, 721281), (121, 351699), (177, 240427), (363, 117233), (649, 65571), (1947, 21857), (1987, 21417), (5961, 7139)]