28188459

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{80309}}^1$

素因数の和:80331

約数の個数: 16

約数和(自身を含む): 44973600

約数和(自身を除く): 16785141

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 80309, 240927, 722781, 1044017, 2168343, 3132051, 9396153, 28188459]

約数ペア:

[(1, 28188459), (3, 9396153), (9, 3132051), (13, 2168343), (27, 1044017), (39, 722781), (117, 240927), (351, 80309)]