561765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2203}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 952128

約数和(自身を除く): 390363

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 2203, 6609, 11015, 33045, 37451, 112353, 187255, 561765]

約数ペア:

[(1, 561765), (3, 187255), (5, 112353), (15, 37451), (17, 33045), (51, 11015), (85, 6609), (255, 2203)]