209425682007

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{35417839}}^1$

素因数の和:35417924

約数の個数: 20

約数和(自身を含む): 317131339360

約数和(自身を除く): 107705657353

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 35417839, 106253517, 318760551, 956281653, 2585502247, 2868844959, 7756506741, 23269520223, 69808560669, 209425682007]

約数ペア:

[(1, 209425682007), (3, 69808560669), (9, 23269520223), (27, 7756506741), (73, 2868844959), (81, 2585502247), (219, 956281653), (657, 318760551), (1971, 106253517), (5913, 35417839)]