16876821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{673}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 24307136

約数和(自身を除く): 7430315

約数列:

[1, 3, 13, 39, 643, 673, 1929, 2019, 8359, 8749, 25077, 26247, 432739, 1298217, 5625607, 16876821]

約数ペア:

[(1, 16876821), (3, 5625607), (13, 1298217), (39, 432739), (643, 26247), (673, 25077), (1929, 8749), (2019, 8359)]