81988539

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{20051}}^1$

素因数の和:20130

約数の個数: 16

約数和(自身を含む): 115499520

約数和(自身を除く): 33510981

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 20051, 60153, 581479, 942397, 1744437, 2827191, 27329513, 81988539]

約数ペア:

[(1, 81988539), (3, 27329513), (29, 2827191), (47, 1744437), (87, 942397), (141, 581479), (1363, 60153), (4089, 20051)]