2720632215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{251561}}^1$

素因数の和:251679

約数の個数: 32

約数和(自身を含む): 5023190016

約数和(自身を除く): 2302557801

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 2163, 3605, 10815, 251561, 754683, 1257805, 1760927, 3773415, 5282781, 8804635, 25910783, 26413905, 77732349, 129553915, 181375481, 388661745, 544126443, 906877405, 2720632215]

約数ペア:

[(1, 2720632215), (3, 906877405), (5, 544126443), (7, 388661745), (15, 181375481), (21, 129553915), (35, 77732349), (103, 26413905), (105, 25910783), (309, 8804635), (515, 5282781), (721, 3773415), (1545, 1760927), (2163, 1257805), (3605, 754683), (10815, 251561)]