16920873

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{5857}}^1$

素因数の和:5973

約数の個数: 16

約数和(自身を含む): 25306560

約数和(自身を除く): 8385687

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 5857, 17571, 52713, 158139, 626699, 1880097, 5640291, 16920873]

約数ペア:

[(1, 16920873), (3, 5640291), (9, 1880097), (27, 626699), (107, 158139), (321, 52713), (963, 17571), (2889, 5857)]