66870891

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2579}}^1$

素因数の和:2695

約数の個数: 24

約数和(自身を含む): 100351680

約数和(自身を除く): 33480789

約数列:

[1, 3, 9, 43, 67, 129, 201, 387, 603, 2579, 2881, 7737, 8643, 23211, 25929, 110897, 172793, 332691, 518379, 998073, 1555137, 7430099, 22290297, 66870891]

約数ペア:

[(1, 66870891), (3, 22290297), (9, 7430099), (43, 1555137), (67, 998073), (129, 518379), (201, 332691), (387, 172793), (603, 110897), (2579, 25929), (2881, 23211), (7737, 8643)]