28708881

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1753}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 39401856

約数和(自身を除く): 10692975

約数列:

[1, 3, 53, 103, 159, 309, 1753, 5259, 5459, 16377, 92909, 180559, 278727, 541677, 9569627, 28708881]

約数ペア:

[(1, 28708881), (3, 9569627), (53, 541677), (103, 278727), (159, 180559), (309, 92909), (1753, 16377), (5259, 5459)]