2188719

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1439}}^1$

素因数の和:1471

約数の個数: 18

約数和(自身を含む): 3425760

約数和(自身を除く): 1237041

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1439, 1521, 4317, 12951, 18707, 56121, 168363, 243191, 729573, 2188719]

約数ペア:

[(1, 2188719), (3, 729573), (9, 243191), (13, 168363), (39, 56121), (117, 18707), (169, 12951), (507, 4317), (1439, 1521)]