1813329

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 3032640

約数和(自身を除く): 1219311

約数列:

[1, 3, 7, 9, 21, 63, 107, 269, 321, 749, 807, 963, 1883, 2247, 2421, 5649, 6741, 16947, 28783, 86349, 201481, 259047, 604443, 1813329]

約数ペア:

[(1, 1813329), (3, 604443), (7, 259047), (9, 201481), (21, 86349), (63, 28783), (107, 16947), (269, 6741), (321, 5649), (749, 2421), (807, 2247), (963, 1883)]