27979281

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{691}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 44260320

約数和(自身を除く): 16281039

約数列:

[1, 3, 9, 11, 33, 99, 409, 691, 1227, 2073, 3681, 4499, 6219, 7601, 13497, 22803, 40491, 68409, 282619, 847857, 2543571, 3108809, 9326427, 27979281]

約数ペア:

[(1, 27979281), (3, 9326427), (9, 3108809), (11, 2543571), (33, 847857), (99, 282619), (409, 68409), (691, 40491), (1227, 22803), (2073, 13497), (3681, 7601), (4499, 6219)]