28102881

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3547}}^1$

素因数の和:3708

約数の個数: 16

約数和(自身を含む): 39737600

約数和(自身を除く): 11634719

約数列:

[1, 3, 19, 57, 139, 417, 2641, 3547, 7923, 10641, 67393, 202179, 493033, 1479099, 9367627, 28102881]

約数ペア:

[(1, 28102881), (3, 9367627), (19, 1479099), (57, 493033), (139, 202179), (417, 67393), (2641, 10641), (3547, 7923)]