8978139

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 13759200

約数和(自身を除く): 4781061

約数列:

[1, 3, 9, 29, 41, 87, 123, 261, 369, 839, 1189, 2517, 3567, 7551, 10701, 24331, 34399, 72993, 103197, 218979, 309591, 997571, 2992713, 8978139]

約数ペア:

[(1, 8978139), (3, 2992713), (9, 997571), (29, 309591), (41, 218979), (87, 103197), (123, 72993), (261, 34399), (369, 24331), (839, 10701), (1189, 7551), (2517, 3567)]