9721782009

素因数分解:

$3^2\times {\mathrm{281}}^1\times {\mathrm{3844121}}^1$

素因数の和:3844408

約数の個数: 12

約数和(自身を含む): 14092551252

約数和(自身を除く): 4370769243

約数列:

[1, 3, 9, 281, 843, 2529, 3844121, 11532363, 34597089, 1080198001, 3240594003, 9721782009]

約数ペア:

[(1, 9721782009), (3, 3240594003), (9, 1080198001), (281, 34597089), (843, 11532363), (2529, 3844121)]