12899943

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2467}}^1$

素因数の和:2563

約数の個数: 24

約数和(自身を含む): 21560448

約数和(自身を除く): 8660505

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 2467, 5229, 7401, 17269, 22203, 51807, 155421, 204761, 614283, 1433327, 1842849, 4299981, 12899943]

約数ペア:

[(1, 12899943), (3, 4299981), (7, 1842849), (9, 1433327), (21, 614283), (63, 204761), (83, 155421), (249, 51807), (581, 22203), (747, 17269), (1743, 7401), (2467, 5229)]