242193721

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{40849}}^1$

素因数の和:40885

約数の個数: 18

約数和(自身を含む): 309683850

約数和(自身を除く): 67490129

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 40849, 285943, 449339, 2001601, 3145373, 4942729, 22017611, 34599103, 242193721]

約数ペア:

[(1, 242193721), (7, 34599103), (11, 22017611), (49, 4942729), (77, 3145373), (121, 2001601), (539, 449339), (847, 285943), (5929, 40849)]