1685853

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1626

約数の個数: 20

約数和(自身を含む): 2713788

約数和(自身を除く): 1027935

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1601, 4803, 14409, 20813, 43227, 62439, 129681, 187317, 561951, 1685853]

約数ペア:

[(1, 1685853), (3, 561951), (9, 187317), (13, 129681), (27, 62439), (39, 43227), (81, 20813), (117, 14409), (351, 4803), (1053, 1601)]