207664851

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 298598400

約数和(自身を除く): 90933549

約数列:

[1, 3, 19, 57, 79, 107, 237, 321, 431, 1293, 1501, 2033, 4503, 6099, 8189, 8453, 24567, 25359, 34049, 46117, 102147, 138351, 160607, 481821, 646931, 876223, 1940793, 2628669, 3643243, 10929729, 69221617, 207664851]

約数ペア:

[(1, 207664851), (3, 69221617), (19, 10929729), (57, 3643243), (79, 2628669), (107, 1940793), (237, 876223), (321, 646931), (431, 481821), (1293, 160607), (1501, 138351), (2033, 102147), (4503, 46117), (6099, 34049), (8189, 25359), (8453, 24567)]