27788409

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9679}}^1$

素因数の和:9725

約数の個数: 24

約数和(自身を含む): 45302400

約数和(自身を除く): 17513991

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 9679, 29037, 87111, 106469, 280691, 319407, 842073, 958221, 2526219, 3087601, 9262803, 27788409]

約数ペア:

[(1, 27788409), (3, 9262803), (9, 3087601), (11, 2526219), (29, 958221), (33, 842073), (87, 319407), (99, 280691), (261, 106469), (319, 87111), (957, 29037), (2871, 9679)]