55111581

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{2521}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 91276224

約数和(自身を除く): 36164643

約数列:

[1, 3, 7, 9, 21, 63, 347, 1041, 2429, 2521, 3123, 7287, 7563, 17647, 21861, 22689, 52941, 158823, 874787, 2624361, 6123509, 7873083, 18370527, 55111581]

約数ペア:

[(1, 55111581), (3, 18370527), (7, 7873083), (9, 6123509), (21, 2624361), (63, 874787), (347, 158823), (1041, 52941), (2429, 22689), (2521, 21861), (3123, 17647), (7287, 7563)]