18227121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{859}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 26584320

約数和(自身を除く): 8357199

約数列:

[1, 3, 11, 33, 643, 859, 1929, 2577, 7073, 9449, 21219, 28347, 552337, 1657011, 6075707, 18227121]

約数ペア:

[(1, 18227121), (3, 6075707), (11, 1657011), (33, 552337), (643, 28347), (859, 21219), (1929, 9449), (2577, 7073)]