28252233

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{6581}}^1$

素因数の和:6646

約数の個数: 20

約数和(自身を含む): 43006788

約数和(自身を除く): 14754555

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 6581, 19743, 59229, 177687, 348793, 533061, 1046379, 3139137, 9417411, 28252233]

約数ペア:

[(1, 28252233), (3, 9417411), (9, 3139137), (27, 1046379), (53, 533061), (81, 348793), (159, 177687), (477, 59229), (1431, 19743), (4293, 6581)]