208097919

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{2081}}^1$

素因数の和:2399

約数の個数: 24

約数和(自身を含む): 309201984

約数和(自身を除く): 101104065

約数列:

[1, 3, 9, 41, 123, 271, 369, 813, 2081, 2439, 6243, 11111, 18729, 33333, 85321, 99999, 255963, 563951, 767889, 1691853, 5075559, 23121991, 69365973, 208097919]

約数ペア:

[(1, 208097919), (3, 69365973), (9, 23121991), (41, 5075559), (123, 1691853), (271, 767889), (369, 563951), (813, 255963), (2081, 99999), (2439, 85321), (6243, 33333), (11111, 18729)]