27899397

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20261}}^1$

素因数の和:20290

約数の個数: 20

約数和(自身を含む): 44130636

約数和(自身を除く): 16231239

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20261, 60783, 182349, 344437, 547047, 1033311, 1641141, 3099933, 9299799, 27899397]

約数ペア:

[(1, 27899397), (3, 9299799), (9, 3099933), (17, 1641141), (27, 1033311), (51, 547047), (81, 344437), (153, 182349), (459, 60783), (1377, 20261)]