661023

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{607}}^1$

素因数の和:635

約数の個数: 18

約数和(自身を含む): 1051232

約数和(自身を除く): 390209

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 607, 1089, 1821, 5463, 6677, 20031, 60093, 73447, 220341, 661023]

約数ペア:

[(1, 661023), (3, 220341), (9, 73447), (11, 60093), (33, 20031), (99, 6677), (121, 5463), (363, 1821), (607, 1089)]