1781091

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1171}}^1$

素因数の和:1203

約数の個数: 18

約数和(自身を含む): 2788188

約数和(自身を除く): 1007097

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1171, 1521, 3513, 10539, 15223, 45669, 137007, 197899, 593697, 1781091]

約数ペア:

[(1, 1781091), (3, 593697), (9, 197899), (13, 137007), (39, 45669), (117, 15223), (169, 10539), (507, 3513), (1171, 1521)]