28333389

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71011}}^1$

素因数の和:71040

約数の個数: 16

約数和(自身を含む): 45447680

約数和(自身を除く): 17114291

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71011, 213033, 497077, 1349209, 1491231, 4047627, 9444463, 28333389]

約数ペア:

[(1, 28333389), (3, 9444463), (7, 4047627), (19, 1491231), (21, 1349209), (57, 497077), (133, 213033), (399, 71011)]