39671919

素因数分解:

$3^2\times 7^2\times {\mathrm{89959}}^1$

素因数の和:89979

約数の個数: 18

約数和(自身を含む): 66660360

約数和(自身を除く): 26988441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 89959, 269877, 629713, 809631, 1889139, 4407991, 5667417, 13223973, 39671919]

約数ペア:

[(1, 39671919), (3, 13223973), (7, 5667417), (9, 4407991), (21, 1889139), (49, 809631), (63, 629713), (147, 269877), (441, 89959)]