220180961

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 306230400

約数和(自身を除く): 86049439

約数列:

[1, 7, 11, 13, 49, 67, 77, 91, 143, 343, 469, 539, 637, 737, 871, 1001, 3283, 3773, 4459, 4489, 5159, 6097, 7007, 9581, 22981, 31423, 36113, 42679, 49049, 49379, 58357, 67067, 219961, 252791, 298753, 345653, 408499, 469469, 641927, 1539727, 2419571, 2859493, 3286283, 4493489, 16936997, 20016451, 31454423, 220180961]

約数ペア:

[(1, 220180961), (7, 31454423), (11, 20016451), (13, 16936997), (49, 4493489), (67, 3286283), (77, 2859493), (91, 2419571), (143, 1539727), (343, 641927), (469, 469469), (539, 408499), (637, 345653), (737, 298753), (871, 252791), (1001, 219961), (3283, 67067), (3773, 58357), (4459, 49379), (4489, 49049), (5159, 42679), (6097, 36113), (7007, 31423), (9581, 22981)]