207639621

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{80387}}^1$

素因数の和:80441

約数の個数: 24

約数和(自身を含む): 351134784

約数和(自身を除く): 143495163

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 80387, 241161, 562709, 723483, 1688127, 3295867, 5064381, 9887601, 23071069, 29662803, 69213207, 207639621]

約数ペア:

[(1, 207639621), (3, 69213207), (7, 29662803), (9, 23071069), (21, 9887601), (41, 5064381), (63, 3295867), (123, 1688127), (287, 723483), (369, 562709), (861, 241161), (2583, 80387)]