81749178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{648803}}^1$

素因数の和:648818

約数の個数: 24

約数和(自身を含む): 202426848

約数和(自身を除く): 120677670

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 648803, 1297606, 1946409, 3892818, 4541621, 5839227, 9083242, 11678454, 13624863, 27249726, 40874589, 81749178]

約数ペア:

[(1, 81749178), (2, 40874589), (3, 27249726), (6, 13624863), (7, 11678454), (9, 9083242), (14, 5839227), (18, 4541621), (21, 3892818), (42, 1946409), (63, 1297606), (126, 648803)]