289186479

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{23819}}^1$

素因数の和:23915

約数の個数: 24

約数和(自身を含む): 445910400

約数和(自身を除く): 156723921

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 23819, 71457, 214371, 452561, 1357683, 1691149, 4073049, 5073447, 15220341, 32131831, 96395493, 289186479]

約数ペア:

[(1, 289186479), (3, 96395493), (9, 32131831), (19, 15220341), (57, 5073447), (71, 4073049), (171, 1691149), (213, 1357683), (639, 452561), (1349, 214371), (4047, 71457), (12141, 23819)]