1981139309997

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{226367}}^1\times {\mathrm{126839}}^1$

素因数の和:353232

約数の個数: 16

約数和(自身を含む): 2756401643520

約数和(自身を除く): 775262333523

約数列:

[1, 3, 23, 69, 126839, 226367, 380517, 679101, 2917297, 5206441, 8751891, 15619323, 28712163913, 86136491739, 660379769999, 1981139309997]

約数ペア:

[(1, 1981139309997), (3, 660379769999), (23, 86136491739), (69, 28712163913), (126839, 15619323), (226367, 8751891), (380517, 5206441), (679101, 2917297)]