28439487

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{691}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 43720560

約数和(自身を除く): 15281073

約数列:

[1, 3, 9, 17, 51, 153, 269, 691, 807, 2073, 2421, 4573, 6219, 11747, 13719, 35241, 41157, 105723, 185879, 557637, 1672911, 3159943, 9479829, 28439487]

約数ペア:

[(1, 28439487), (3, 9479829), (9, 3159943), (17, 1672911), (51, 557637), (153, 185879), (269, 105723), (691, 41157), (807, 35241), (2073, 13719), (2421, 11747), (4573, 6219)]