28352187

素因数分解:

$3^4\times {\mathrm{541}}^1\times {\mathrm{647}}^1$

素因数の和:1200

約数の個数: 20

約数和(自身を含む): 42497136

約数和(自身を除く): 14144949

約数列:

[1, 3, 9, 27, 81, 541, 647, 1623, 1941, 4869, 5823, 14607, 17469, 43821, 52407, 350027, 1050081, 3150243, 9450729, 28352187]

約数ペア:

[(1, 28352187), (3, 9450729), (9, 3150243), (27, 1050081), (81, 350027), (541, 52407), (647, 43821), (1623, 17469), (1941, 14607), (4869, 5823)]