206422905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{25819}}^1$

素因数の和:25881

約数の個数: 32

約数和(自身を含む): 364371840

約数和(自身を除く): 157948935

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 25819, 77457, 129095, 335647, 387285, 1006941, 1058579, 1678235, 3175737, 5034705, 5292895, 13761527, 15878685, 41284581, 68807635, 206422905]

約数ペア:

[(1, 206422905), (3, 68807635), (5, 41284581), (13, 15878685), (15, 13761527), (39, 5292895), (41, 5034705), (65, 3175737), (123, 1678235), (195, 1058579), (205, 1006941), (533, 387285), (615, 335647), (1599, 129095), (2665, 77457), (7995, 25819)]