67446981

素因数分解:

$3^2\times 7^2\times {\mathrm{152941}}^1$

素因数の和:152961

約数の個数: 18

約数和(自身を含む): 113330022

約数和(自身を除く): 45883041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 152941, 458823, 1070587, 1376469, 3211761, 7494109, 9635283, 22482327, 67446981]

約数ペア:

[(1, 67446981), (3, 22482327), (7, 9635283), (9, 7494109), (21, 3211761), (49, 1376469), (63, 1070587), (147, 458823), (441, 152941)]