28680105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2393}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 49641984

約数和(自身を除く): 20961879

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2393, 2397, 3995, 7179, 11965, 11985, 35895, 40681, 112471, 122043, 203405, 337413, 562355, 610215, 1687065, 1912007, 5736021, 9560035, 28680105]

約数ペア:

[(1, 28680105), (3, 9560035), (5, 5736021), (15, 1912007), (17, 1687065), (47, 610215), (51, 562355), (85, 337413), (141, 203405), (235, 122043), (255, 112471), (705, 40681), (799, 35895), (2393, 11985), (2397, 11965), (3995, 7179)]