28022025

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8689}}^1$

素因数の和:8745

約数の個数: 24

約数和(自身を含む): 47412640

約数和(自身を除く): 19390615

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 8689, 26067, 43445, 130335, 217225, 373627, 651675, 1120881, 1868135, 5604405, 9340675, 28022025]

約数ペア:

[(1, 28022025), (3, 9340675), (5, 5604405), (15, 1868135), (25, 1120881), (43, 651675), (75, 373627), (129, 217225), (215, 130335), (645, 43445), (1075, 26067), (3225, 8689)]