856815721629

素因数分解:

$3^1\times 7^1\times {\mathrm{71879}}^1\times {\mathrm{567631}}^1$

素因数の和:639520

約数の個数: 16

約数和(自身を含む): 1305644421120

約数和(自身を除く): 448828699491

約数列:

[1, 3, 7, 21, 71879, 215637, 503153, 567631, 1509459, 1702893, 3973417, 11920251, 40800748649, 122402245947, 285605240543, 856815721629]

約数ペア:

[(1, 856815721629), (3, 285605240543), (7, 122402245947), (21, 40800748649), (71879, 11920251), (215637, 3973417), (503153, 1702893), (567631, 1509459)]