28401513

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{4813}}^1$

素因数の和:5104

約数の個数: 16

約数和(自身を含む): 43441536

約数和(自身を除く): 15040023

約数列:

[1, 3, 7, 21, 281, 843, 1967, 4813, 5901, 14439, 33691, 101073, 1352453, 4057359, 9467171, 28401513]

約数ペア:

[(1, 28401513), (3, 9467171), (7, 4057359), (21, 1352453), (281, 101073), (843, 33691), (1967, 14439), (4813, 5901)]