81270861

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{6661}}^1$

素因数の和:6761

約数の個数: 24

約数和(自身を含む): 127590624

約数和(自身を除く): 46319763

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 6661, 12201, 19983, 46627, 139881, 326389, 552863, 979167, 1658589, 3870041, 11610123, 27090287, 81270861]

約数ペア:

[(1, 81270861), (3, 27090287), (7, 11610123), (21, 3870041), (49, 1658589), (83, 979167), (147, 552863), (249, 326389), (581, 139881), (1743, 46627), (4067, 19983), (6661, 12201)]