28089219

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9029}}^1$

素因数の和:9110

約数の個数: 16

約数和(自身を含む): 40309920

約数和(自身を除く): 12220701

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 9029, 27087, 153493, 460479, 550769, 1652307, 9363073, 28089219]

約数ペア:

[(1, 28089219), (3, 9363073), (17, 1652307), (51, 550769), (61, 460479), (183, 153493), (1037, 27087), (3111, 9029)]