12539943

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5641}}^1$

素因数の和:5679

約数の個数: 24

約数和(自身を含む): 20536880

約数和(自身を除く): 7996937

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 5641, 16923, 50769, 73333, 107179, 219999, 321537, 659997, 964611, 1393327, 4179981, 12539943]

約数ペア:

[(1, 12539943), (3, 4179981), (9, 1393327), (13, 964611), (19, 659997), (39, 321537), (57, 219999), (117, 107179), (171, 73333), (247, 50769), (741, 16923), (2223, 5641)]