28820739

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{4909}}^1$

素因数の和:5034

約数の個数: 16

約数和(自身を含む): 40851200

約数和(自身を除く): 12030461

約数列:

[1, 3, 19, 57, 103, 309, 1957, 4909, 5871, 14727, 93271, 279813, 505627, 1516881, 9606913, 28820739]

約数ペア:

[(1, 28820739), (3, 9606913), (19, 1516881), (57, 505627), (103, 279813), (309, 93271), (1957, 14727), (4909, 5871)]