1900892889

素因数分解:

$3^2\times 7^1\times {\mathrm{30172903}}^1$

素因数の和:30172916

約数の個数: 12

約数和(自身を含む): 3137982016

約数和(自身を除く): 1237089127

約数列:

[1, 3, 7, 9, 21, 63, 30172903, 90518709, 211210321, 271556127, 633630963, 1900892889]

約数ペア:

[(1, 1900892889), (3, 633630963), (7, 271556127), (9, 211210321), (21, 90518709), (63, 30172903)]