3921000489

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{876593}}^1$

素因数の和:876677

約数の個数: 24

約数和(自身を含む): 6563935872

約数和(自身を除く): 2642935383

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 876593, 2629779, 6136151, 7889337, 18408453, 55225359, 62238103, 186714309, 435666721, 560142927, 1307000163, 3921000489]

約数ペア:

[(1, 3921000489), (3, 1307000163), (7, 560142927), (9, 435666721), (21, 186714309), (63, 62238103), (71, 55225359), (213, 18408453), (497, 7889337), (639, 6136151), (1491, 2629779), (4473, 876593)]