3895857

素因数分解:

$3^4\times 7^1\times {\mathrm{6871}}^1$

素因数の和:6890

約数の個数: 20

約数和(自身を含む): 6652096

約数和(自身を除く): 2756239

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 6871, 20613, 48097, 61839, 144291, 185517, 432873, 556551, 1298619, 3895857]

約数ペア:

[(1, 3895857), (3, 1298619), (7, 556551), (9, 432873), (21, 185517), (27, 144291), (63, 61839), (81, 48097), (189, 20613), (567, 6871)]