28111911

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{6679}}^1$

素因数の和:6766

約数の個数: 16

約数和(自身を含む): 39759360

約数和(自身を除く): 11647449

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 6679, 20037, 153617, 407419, 460851, 1222257, 9370637, 28111911]

約数ペア:

[(1, 28111911), (3, 9370637), (23, 1222257), (61, 460851), (69, 407419), (183, 153617), (1403, 20037), (4209, 6679)]