7642047

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 12441600

約数和(自身を除く): 4799553

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 179, 321, 399, 537, 749, 1253, 2033, 2247, 3401, 3759, 6099, 10203, 14231, 19153, 23807, 42693, 57459, 71421, 134071, 363907, 402213, 1091721, 2547349, 7642047]

約数ペア:

[(1, 7642047), (3, 2547349), (7, 1091721), (19, 402213), (21, 363907), (57, 134071), (107, 71421), (133, 57459), (179, 42693), (321, 23807), (399, 19153), (537, 14231), (749, 10203), (1253, 6099), (2033, 3759), (2247, 3401)]