138153987

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{4909}}^1$

素因数の和:5027

約数の個数: 24

約数和(自身を含む): 206809200

約数和(自身を除く): 68655213

約数列:

[1, 3, 9, 53, 59, 159, 177, 477, 531, 3127, 4909, 9381, 14727, 28143, 44181, 260177, 289631, 780531, 868893, 2341593, 2606679, 15350443, 46051329, 138153987]

約数ペア:

[(1, 138153987), (3, 46051329), (9, 15350443), (53, 2606679), (59, 2341593), (159, 868893), (177, 780531), (477, 289631), (531, 260177), (3127, 44181), (4909, 28143), (9381, 14727)]