138557889

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{503}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 202954752

約数和(自身を除く): 64396863

約数列:

[1, 3, 9, 127, 241, 381, 503, 723, 1143, 1509, 2169, 4527, 30607, 63881, 91821, 121223, 191643, 275463, 363669, 574929, 1091007, 15395321, 46185963, 138557889]

約数ペア:

[(1, 138557889), (3, 46185963), (9, 15395321), (127, 1091007), (241, 574929), (381, 363669), (503, 275463), (723, 191643), (1143, 121223), (1509, 91821), (2169, 63881), (4527, 30607)]