8891487

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 15350400

約数和(自身を除く): 6458913

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 163, 171, 209, 261, 319, 489, 551, 627, 957, 1467, 1653, 1793, 1881, 2871, 3097, 4727, 4959, 5379, 6061, 9291, 14181, 16137, 18183, 27873, 34067, 42543, 51997, 54549, 89813, 102201, 155991, 269439, 306603, 467973, 808317, 987943, 2963829, 8891487]

約数ペア:

[(1, 8891487), (3, 2963829), (9, 987943), (11, 808317), (19, 467973), (29, 306603), (33, 269439), (57, 155991), (87, 102201), (99, 89813), (163, 54549), (171, 51997), (209, 42543), (261, 34067), (319, 27873), (489, 18183), (551, 16137), (627, 14181), (957, 9291), (1467, 6061), (1653, 5379), (1793, 4959), (1881, 4727), (2871, 3097)]