1772771

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 36

約数和(自身を含む): 2547216

約数和(自身を除く): 774445

約数列:

[1, 7, 11, 13, 23, 49, 77, 91, 121, 143, 161, 253, 299, 539, 637, 847, 1001, 1127, 1573, 1771, 2093, 2783, 3289, 5929, 7007, 11011, 12397, 14651, 19481, 23023, 36179, 77077, 136367, 161161, 253253, 1772771]

約数ペア:

[(1, 1772771), (7, 253253), (11, 161161), (13, 136367), (23, 77077), (49, 36179), (77, 23023), (91, 19481), (121, 14651), (143, 12397), (161, 11011), (253, 7007), (299, 5929), (539, 3289), (637, 2783), (847, 2093), (1001, 1771), (1127, 1573)]