287804589

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{683}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 416047104

約数和(自身を除く): 128242515

約数列:

[1, 3, 23, 31, 69, 93, 197, 591, 683, 713, 2049, 2139, 4531, 6107, 13593, 15709, 18321, 21173, 47127, 63519, 134551, 140461, 403653, 421383, 486979, 1460937, 3094673, 4171081, 9284019, 12513243, 95934863, 287804589]

約数ペア:

[(1, 287804589), (3, 95934863), (23, 12513243), (31, 9284019), (69, 4171081), (93, 3094673), (197, 1460937), (591, 486979), (683, 421383), (713, 403653), (2049, 140461), (2139, 134551), (4531, 63519), (6107, 47127), (13593, 21173), (15709, 18321)]