2017719963

素因数分解:

$3^4\times 7^1\times {\mathrm{3558589}}^1$

素因数の和:3558608

約数の個数: 20

約数和(自身を含む): 3444715120

約数和(自身を除く): 1426995157

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3558589, 10675767, 24910123, 32027301, 74730369, 96081903, 224191107, 288245709, 672573321, 2017719963]

約数ペア:

[(1, 2017719963), (3, 672573321), (7, 288245709), (9, 224191107), (21, 96081903), (27, 74730369), (63, 32027301), (81, 24910123), (189, 10675767), (567, 3558589)]