81657954

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{648079}}^1$

素因数の和:648094

約数の個数: 24

約数和(自身を含む): 202200960

約数和(自身を除く): 120543006

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 648079, 1296158, 1944237, 3888474, 4536553, 5832711, 9073106, 11665422, 13609659, 27219318, 40828977, 81657954]

約数ペア:

[(1, 81657954), (2, 40828977), (3, 27219318), (6, 13609659), (7, 11665422), (9, 9073106), (14, 5832711), (18, 4536553), (21, 3888474), (42, 1944237), (63, 1296158), (126, 648079)]