205284315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 355332096

約数和(自身を除く): 150047781

約数列:

[1, 3, 5, 15, 23, 67, 69, 83, 107, 115, 201, 249, 321, 335, 345, 415, 535, 1005, 1245, 1541, 1605, 1909, 2461, 4623, 5561, 5727, 7169, 7383, 7705, 8881, 9545, 12305, 16683, 21507, 23115, 26643, 27805, 28635, 35845, 36915, 44405, 83415, 107535, 127903, 133215, 164887, 204263, 383709, 494661, 595027, 612789, 639515, 824435, 1021315, 1785081, 1918545, 2473305, 2975135, 3063945, 8925405, 13685621, 41056863, 68428105, 205284315]

約数ペア:

[(1, 205284315), (3, 68428105), (5, 41056863), (15, 13685621), (23, 8925405), (67, 3063945), (69, 2975135), (83, 2473305), (107, 1918545), (115, 1785081), (201, 1021315), (249, 824435), (321, 639515), (335, 612789), (345, 595027), (415, 494661), (535, 383709), (1005, 204263), (1245, 164887), (1541, 133215), (1605, 127903), (1909, 107535), (2461, 83415), (4623, 44405), (5561, 36915), (5727, 35845), (7169, 28635), (7383, 27805), (7705, 26643), (8881, 23115), (9545, 21507), (12305, 16683)]