2051212905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{6511787}}^1$

素因数の和:6511805

約数の個数: 24

約数和(自身を含む): 4063355712

約数和(自身を除く): 2012142807

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 6511787, 19535361, 32558935, 45582509, 58606083, 97676805, 136747527, 227912545, 293030415, 410242581, 683737635, 2051212905]

約数ペア:

[(1, 2051212905), (3, 683737635), (5, 410242581), (7, 293030415), (9, 227912545), (15, 136747527), (21, 97676805), (35, 58606083), (45, 45582509), (63, 32558935), (105, 19535361), (315, 6511787)]