12866343

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 20866560

約数和(自身を除く): 8000217

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 571, 609, 777, 1073, 1713, 3219, 3997, 7511, 11991, 16559, 21127, 22533, 49677, 63381, 115913, 147889, 347739, 443667, 612683, 1838049, 4288781, 12866343]

約数ペア:

[(1, 12866343), (3, 4288781), (7, 1838049), (21, 612683), (29, 443667), (37, 347739), (87, 147889), (111, 115913), (203, 63381), (259, 49677), (571, 22533), (609, 21127), (777, 16559), (1073, 11991), (1713, 7511), (3219, 3997)]