201507957

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 344677632

約数和(自身を除く): 143169675

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 137, 259, 333, 411, 631, 777, 959, 1233, 1893, 2331, 2877, 4417, 5069, 5679, 8631, 13251, 15207, 23347, 35483, 39753, 45621, 70041, 86447, 106449, 163429, 210123, 259341, 319347, 490287, 605129, 778023, 1470861, 1815387, 3198539, 5446161, 9595617, 22389773, 28786851, 67169319, 201507957]

約数ペア:

[(1, 201507957), (3, 67169319), (7, 28786851), (9, 22389773), (21, 9595617), (37, 5446161), (63, 3198539), (111, 1815387), (137, 1470861), (259, 778023), (333, 605129), (411, 490287), (631, 319347), (777, 259341), (959, 210123), (1233, 163429), (1893, 106449), (2331, 86447), (2877, 70041), (4417, 45621), (5069, 39753), (5679, 35483), (8631, 23347), (13251, 15207)]