3908387

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 18

約数和(自身を含む): 4754484

約数和(自身を除く): 846097

約数列:

[1, 7, 31, 49, 83, 217, 581, 961, 1519, 2573, 4067, 6727, 18011, 47089, 79763, 126077, 558341, 3908387]

約数ペア:

[(1, 3908387), (7, 558341), (31, 126077), (49, 79763), (83, 47089), (217, 18011), (581, 6727), (961, 4067), (1519, 2573)]