28402911

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{44449}}^1$

素因数の和:44526

約数の個数: 12

約数和(自身を含む): 41605200

約数和(自身を除く): 13202289

約数列:

[1, 3, 9, 71, 213, 639, 44449, 133347, 400041, 3155879, 9467637, 28402911]

約数ペア:

[(1, 28402911), (3, 9467637), (9, 3155879), (71, 400041), (213, 133347), (639, 44449)]