28991919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{51679}}^1$

素因数の和:51710

約数の個数: 16

約数和(自身を含む): 44651520

約数和(自身を除く): 15659601

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 51679, 155037, 568469, 878543, 1705407, 2635629, 9663973, 28991919]

約数ペア:

[(1, 28991919), (3, 9663973), (11, 2635629), (17, 1705407), (33, 878543), (51, 568469), (187, 155037), (561, 51679)]