28887777

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{541}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 44389800

約数和(自身を除く): 15502023

約数列:

[1, 3, 9, 17, 51, 153, 349, 541, 1047, 1623, 3141, 4869, 5933, 9197, 17799, 27591, 53397, 82773, 188809, 566427, 1699281, 3209753, 9629259, 28887777]

約数ペア:

[(1, 28887777), (3, 9629259), (9, 3209753), (17, 1699281), (51, 566427), (153, 188809), (349, 82773), (541, 53397), (1047, 27591), (1623, 17799), (3141, 9197), (4869, 5933)]