28195479

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{80329}}^1$

素因数の和:80351

約数の個数: 16

約数和(自身を含む): 44984800

約数和(自身を除く): 16789321

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 80329, 240987, 722961, 1044277, 2168883, 3132831, 9398493, 28195479]

約数ペア:

[(1, 28195479), (3, 9398493), (9, 3132831), (13, 2168883), (27, 1044277), (39, 722961), (117, 240987), (351, 80329)]