168243201

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{17923}}^1$

素因数の和:18085

約数の個数: 24

約数和(自身を含む): 279614400

約数和(自身を除く): 111371199

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 17923, 53769, 125461, 161307, 376383, 1129149, 2670527, 8011581, 18693689, 24034743, 56081067, 168243201]

約数ペア:

[(1, 168243201), (3, 56081067), (7, 24034743), (9, 18693689), (21, 8011581), (63, 2670527), (149, 1129149), (447, 376383), (1043, 161307), (1341, 125461), (3129, 53769), (9387, 17923)]