220973907

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{18049}}^1$

素因数の和:18123

約数の個数: 32

約数和(自身を含む): 374284800

約数和(自身を除く): 153310893

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 4081, 12243, 18049, 54147, 126343, 198539, 379029, 595617, 956597, 1389773, 2869791, 4169319, 6696179, 10522567, 20088537, 31567701, 73657969, 220973907]

約数ペア:

[(1, 220973907), (3, 73657969), (7, 31567701), (11, 20088537), (21, 10522567), (33, 6696179), (53, 4169319), (77, 2869791), (159, 1389773), (231, 956597), (371, 595617), (583, 379029), (1113, 198539), (1749, 126343), (4081, 54147), (12243, 18049)]