28612647

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15661}}^1$

素因数の和:15703

約数の個数: 24

約数和(自身を含む): 48865440

約数和(自身を除く): 20252793

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 15661, 46983, 109627, 140949, 328881, 454169, 986643, 1362507, 3179183, 4087521, 9537549, 28612647]

約数ペア:

[(1, 28612647), (3, 9537549), (7, 4087521), (9, 3179183), (21, 1362507), (29, 986643), (63, 454169), (87, 328881), (203, 140949), (261, 109627), (609, 46983), (1827, 15661)]