87628437

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39419}}^1$

素因数の和:39457

約数の個数: 24

約数和(自身を含む): 143488800

約数和(自身を除く): 55860363

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 39419, 118257, 354771, 512447, 748961, 1537341, 2246883, 4612023, 6740649, 9736493, 29209479, 87628437]

約数ペア:

[(1, 87628437), (3, 29209479), (9, 9736493), (13, 6740649), (19, 4612023), (39, 2246883), (57, 1537341), (117, 748961), (171, 512447), (247, 354771), (741, 118257), (2223, 39419)]