55218261

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1129}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 89821440

約数和(自身を除く): 34603179

約数列:

[1, 3, 7, 17, 21, 51, 119, 137, 357, 411, 959, 1129, 2329, 2877, 3387, 6987, 7903, 16303, 19193, 23709, 48909, 57579, 134351, 154673, 403053, 464019, 1082711, 2629441, 3248133, 7888323, 18406087, 55218261]

約数ペア:

[(1, 55218261), (3, 18406087), (7, 7888323), (17, 3248133), (21, 2629441), (51, 1082711), (119, 464019), (137, 403053), (357, 154673), (411, 134351), (959, 57579), (1129, 48909), (2329, 23709), (2877, 19193), (3387, 16303), (6987, 7903)]