31158423

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{709}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 47626800

約数和(自身を除く): 16468377

約数列:

[1, 3, 9, 19, 57, 171, 257, 709, 771, 2127, 2313, 4883, 6381, 13471, 14649, 40413, 43947, 121239, 182213, 546639, 1639917, 3462047, 10386141, 31158423]

約数ペア:

[(1, 31158423), (3, 10386141), (9, 3462047), (19, 1639917), (57, 546639), (171, 182213), (257, 121239), (709, 43947), (771, 40413), (2127, 14649), (2313, 13471), (4883, 6381)]