81670803

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 116531712

約数和(自身を除く): 34860909

約数列:

[1, 3, 37, 43, 71, 111, 129, 213, 241, 723, 1591, 2627, 3053, 4773, 7881, 8917, 9159, 10363, 17111, 26751, 31089, 51333, 112961, 338883, 383431, 633107, 735773, 1150293, 1899321, 2207319, 27223601, 81670803]

約数ペア:

[(1, 81670803), (3, 27223601), (37, 2207319), (43, 1899321), (71, 1150293), (111, 735773), (129, 633107), (213, 383431), (241, 338883), (723, 112961), (1591, 51333), (2627, 31089), (3053, 26751), (4773, 17111), (7881, 10363), (8917, 9159)]