347281221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{11923}}^1$

素因数の和:12025

約数の個数: 32

約数和(自身を含む): 564720640

約数和(自身を除く): 217439419

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 4161, 9709, 11923, 29127, 35769, 83461, 226537, 250383, 679611, 870379, 1585759, 2611137, 4757277, 6092653, 16537201, 18277959, 49611603, 115760407, 347281221]

約数ペア:

[(1, 347281221), (3, 115760407), (7, 49611603), (19, 18277959), (21, 16537201), (57, 6092653), (73, 4757277), (133, 2611137), (219, 1585759), (399, 870379), (511, 679611), (1387, 250383), (1533, 226537), (4161, 83461), (9709, 35769), (11923, 29127)]