2788149

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1459}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 4660320

約数和(自身を除く): 1872171

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1459, 1911, 4377, 10213, 18967, 30639, 56901, 71491, 132769, 214473, 398307, 929383, 2788149]

約数ペア:

[(1, 2788149), (3, 929383), (7, 398307), (13, 214473), (21, 132769), (39, 71491), (49, 56901), (91, 30639), (147, 18967), (273, 10213), (637, 4377), (1459, 1911)]