28425087

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{3943}}^1$

素因数の和:4044

約数の個数: 20

約数和(自身を含む): 42950160

約数和(自身を除く): 14525073

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 3943, 7209, 11829, 35487, 106461, 319383, 350927, 1052781, 3158343, 9475029, 28425087]

約数ペア:

[(1, 28425087), (3, 9475029), (9, 3158343), (27, 1052781), (81, 350927), (89, 319383), (267, 106461), (801, 35487), (2403, 11829), (3943, 7209)]