78702009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{19447}}^1$

素因数の和:19540

約数の個数: 16

約数和(自身を含む): 112020480

約数和(自身を除く): 33318471

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 19447, 58341, 369493, 1108479, 1380737, 4142211, 26234003, 78702009]

約数ペア:

[(1, 78702009), (3, 26234003), (19, 4142211), (57, 1380737), (71, 1108479), (213, 369493), (1349, 58341), (4047, 19447)]