15661971

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{44621}}^1$

素因数の和:44643

約数の個数: 16

約数和(自身を含む): 24988320

約数和(自身を除く): 9326349

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 44621, 133863, 401589, 580073, 1204767, 1740219, 5220657, 15661971]

約数ペア:

[(1, 15661971), (3, 5220657), (9, 1740219), (13, 1204767), (27, 580073), (39, 401589), (117, 133863), (351, 44621)]