28019805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{169817}}^1$

素因数の和:169836

約数の個数: 16

約数和(自身を含む): 48907584

約数和(自身を除く): 20887779

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 169817, 509451, 849085, 1867987, 2547255, 5603961, 9339935, 28019805]

約数ペア:

[(1, 28019805), (3, 9339935), (5, 5603961), (11, 2547255), (15, 1867987), (33, 849085), (55, 509451), (165, 169817)]