2642691

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 3767040

約数和(自身を除く): 1124349

約数列:

[1, 3, 19, 57, 71, 213, 653, 1349, 1959, 4047, 12407, 37221, 46363, 139089, 880897, 2642691]

約数ペア:

[(1, 2642691), (3, 880897), (19, 139089), (57, 46363), (71, 37221), (213, 12407), (653, 4047), (1349, 1959)]