64719681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{523}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 98595840

約数和(自身を除く): 33876159

約数列:

[1, 3, 13, 19, 39, 57, 167, 247, 501, 523, 741, 1569, 2171, 3173, 6513, 6799, 9519, 9937, 20397, 29811, 41249, 87341, 123747, 129181, 262023, 387543, 1135433, 1659479, 3406299, 4978437, 21573227, 64719681]

約数ペア:

[(1, 64719681), (3, 21573227), (13, 4978437), (19, 3406299), (39, 1659479), (57, 1135433), (167, 387543), (247, 262023), (501, 129181), (523, 123747), (741, 87341), (1569, 41249), (2171, 29811), (3173, 20397), (6513, 9937), (6799, 9519)]