28289535

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40127}}^1$

素因数の和:40182

約数の個数: 16

約数和(自身を含む): 46227456

約数和(自身を除く): 17937921

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 40127, 120381, 200635, 601905, 1885969, 5657907, 9429845, 28289535]

約数ペア:

[(1, 28289535), (3, 9429845), (5, 5657907), (15, 1885969), (47, 601905), (141, 200635), (235, 120381), (705, 40127)]