2639559

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1277}}^1$

素因数の和:1346

約数の個数: 16

約数和(自身を含む): 3864672

約数和(自身を除く): 1225113

約数列:

[1, 3, 13, 39, 53, 159, 689, 1277, 2067, 3831, 16601, 49803, 67681, 203043, 879853, 2639559]

約数ペア:

[(1, 2639559), (3, 879853), (13, 203043), (39, 67681), (53, 49803), (159, 16601), (689, 3831), (1277, 2067)]