2013557

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 2633400

約数和(自身を除く): 619843

約数列:

[1, 7, 13, 29, 49, 91, 109, 203, 377, 637, 763, 1417, 1421, 2639, 3161, 5341, 9919, 18473, 22127, 41093, 69433, 154889, 287651, 2013557]

約数ペア:

[(1, 2013557), (7, 287651), (13, 154889), (29, 69433), (49, 41093), (91, 22127), (109, 18473), (203, 9919), (377, 5341), (637, 3161), (763, 2639), (1417, 1421)]