28745841

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7103}}^1$

素因数の和:7196

約数の個数: 16

約数和(自身を含む): 40919040

約数和(自身を除く): 12173199

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 7103, 21309, 134957, 404871, 504313, 1512939, 9581947, 28745841]

約数ペア:

[(1, 28745841), (3, 9581947), (19, 1512939), (57, 504313), (71, 404871), (213, 134957), (1349, 21309), (4047, 7103)]