81217164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{966871}}^1$

素因数の和:966885

約数の個数: 24

約数和(自身を含む): 216579328

約数和(自身を除く): 135362164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 966871, 1933742, 2900613, 3867484, 5801226, 6768097, 11602452, 13536194, 20304291, 27072388, 40608582, 81217164]

約数ペア:

[(1, 81217164), (2, 40608582), (3, 27072388), (4, 20304291), (6, 13536194), (7, 11602452), (12, 6768097), (14, 5801226), (21, 3867484), (28, 2900613), (42, 1933742), (84, 966871)]