28443849

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{3881}}^1$

素因数の和:4240

約数の個数: 16

約数和(自身を含む): 43478400

約数和(自身を除く): 15034551

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 3881, 7329, 11643, 27167, 81501, 1354469, 4063407, 9481283, 28443849]

約数ペア:

[(1, 28443849), (3, 9481283), (7, 4063407), (21, 1354469), (349, 81501), (1047, 27167), (2443, 11643), (3881, 7329)]