2181777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 3208128

約数和(自身を除く): 1026351

約数列:

[1, 3, 13, 39, 43, 129, 559, 1301, 1677, 3903, 16913, 50739, 55943, 167829, 727259, 2181777]

約数ペア:

[(1, 2181777), (3, 727259), (13, 167829), (39, 55943), (43, 50739), (129, 16913), (559, 3903), (1301, 1677)]