71310729

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{1873}}^1$

素因数の和:1934

約数の個数: 32

約数和(自身を含む): 113939200

約数和(自身を除く): 42628471

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 343, 777, 1029, 1813, 1873, 5439, 5619, 12691, 13111, 38073, 39333, 69301, 91777, 207903, 275331, 485107, 642439, 1455321, 1927317, 3395749, 10187247, 23770243, 71310729]

約数ペア:

[(1, 71310729), (3, 23770243), (7, 10187247), (21, 3395749), (37, 1927317), (49, 1455321), (111, 642439), (147, 485107), (259, 275331), (343, 207903), (777, 91777), (1029, 69301), (1813, 39333), (1873, 38073), (5439, 13111), (5619, 12691)]