142788321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71789}}^1$

素因数の和:71825

約数の個数: 24

約数和(自身を含む): 235184040

約数和(自身を除く): 92395719

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 71789, 215367, 646101, 933257, 1220413, 2799771, 3661239, 8399313, 10983717, 15865369, 47596107, 142788321]

約数ペア:

[(1, 142788321), (3, 47596107), (9, 15865369), (13, 10983717), (17, 8399313), (39, 3661239), (51, 2799771), (117, 1220413), (153, 933257), (221, 646101), (663, 215367), (1989, 71789)]