1285240887

素因数分解:

$3^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{30313}}^1$

素因数の和:30999

約数の個数: 24

約数和(自身を含む): 2124890144

約数和(自身を除く): 839649257

約数列:

[1, 3, 7, 9, 21, 63, 673, 2019, 4711, 6057, 14133, 30313, 42399, 90939, 212191, 272817, 636573, 1909719, 20400649, 61201947, 142804543, 183605841, 428413629, 1285240887]

約数ペア:

[(1, 1285240887), (3, 428413629), (7, 183605841), (9, 142804543), (21, 61201947), (63, 20400649), (673, 1909719), (2019, 636573), (4711, 272817), (6057, 212191), (14133, 90939), (30313, 42399)]