142540479

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{33203}}^1$

素因数の和:33268

約数の個数: 20

約数和(自身を含む): 216954936

約数和(自身を除く): 74414457

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 33203, 99609, 298827, 896481, 1759759, 2689443, 5279277, 15837831, 47513493, 142540479]

約数ペア:

[(1, 142540479), (3, 47513493), (9, 15837831), (27, 5279277), (53, 2689443), (81, 1759759), (159, 896481), (477, 298827), (1431, 99609), (4293, 33203)]