287647254

素因数分解:

$2^1\times 3^3\times {\mathrm{223}}^1\times {\mathrm{23887}}^1$

素因数の和:24121

約数の個数: 32

約数和(自身を含む): 642109440

約数和(自身を除く): 354462186

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 223, 446, 669, 1338, 2007, 4014, 6021, 12042, 23887, 47774, 71661, 143322, 214983, 429966, 644949, 1289898, 5326801, 10653602, 15980403, 31960806, 47941209, 95882418, 143823627, 287647254]

約数ペア:

[(1, 287647254), (2, 143823627), (3, 95882418), (6, 47941209), (9, 31960806), (18, 15980403), (27, 10653602), (54, 5326801), (223, 1289898), (446, 644949), (669, 429966), (1338, 214983), (2007, 143322), (4014, 71661), (6021, 47774), (12042, 23887)]