251019729

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{27919}}^1$

素因数の和:27971

約数の個数: 24

約数和(自身を含む): 386189440

約数和(自身を除く): 135169711

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2997, 8991, 27919, 83757, 251271, 753813, 1033003, 2261439, 3099009, 6784317, 9297027, 27891081, 83673243, 251019729]

約数ペア:

[(1, 251019729), (3, 83673243), (9, 27891081), (27, 9297027), (37, 6784317), (81, 3099009), (111, 2261439), (243, 1033003), (333, 753813), (999, 251271), (2997, 83757), (8991, 27919)]