28807143

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1759}}^1$

素因数の和:1918

約数の個数: 16

約数和(自身を含む): 39536640

約数和(自身を除く): 10729497

約数列:

[1, 3, 53, 103, 159, 309, 1759, 5277, 5459, 16377, 93227, 181177, 279681, 543531, 9602381, 28807143]

約数ペア:

[(1, 28807143), (3, 9602381), (53, 543531), (103, 279681), (159, 181177), (309, 93227), (1759, 16377), (5277, 5459)]