16538721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1129}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 23323200

約数和(自身を除く): 6784479

約数列:

[1, 3, 19, 57, 257, 771, 1129, 3387, 4883, 14649, 21451, 64353, 290153, 870459, 5512907, 16538721]

約数ペア:

[(1, 16538721), (3, 5512907), (19, 870459), (57, 290153), (257, 64353), (771, 21451), (1129, 14649), (3387, 4883)]