398295729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{47947}}^1$

素因数の和:48037

約数の個数: 24

約数和(自身を含む): 628310592

約数和(自身を除く): 230014863

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 47947, 143841, 431523, 623311, 1869933, 3404237, 5609799, 10212711, 30638133, 44255081, 132765243, 398295729]

約数ペア:

[(1, 398295729), (3, 132765243), (9, 44255081), (13, 30638133), (39, 10212711), (71, 5609799), (117, 3404237), (213, 1869933), (639, 623311), (923, 431523), (2769, 143841), (8307, 47947)]