199608507

素因数分解:

$3^2\times 7^3\times {\mathrm{64661}}^1$

素因数の和:64688

約数の個数: 24

約数和(自身を含む): 336242400

約数和(自身を除く): 136633893

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 64661, 193983, 452627, 581949, 1357881, 3168389, 4073643, 9505167, 22178723, 28515501, 66536169, 199608507]

約数ペア:

[(1, 199608507), (3, 66536169), (7, 28515501), (9, 22178723), (21, 9505167), (49, 4073643), (63, 3168389), (147, 1357881), (343, 581949), (441, 452627), (1029, 193983), (3087, 64661)]