447131517

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{42841}}^1$

素因数の和:42929

約数の個数: 24

約数和(自身を含む): 703294272

約数和(自身を除く): 256162755

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 42841, 128523, 299887, 899661, 2099209, 3041711, 6297627, 9125133, 21291977, 63875931, 149043839, 447131517]

約数ペア:

[(1, 447131517), (3, 149043839), (7, 63875931), (21, 21291977), (49, 9125133), (71, 6297627), (147, 3041711), (213, 2099209), (497, 899661), (1491, 299887), (3479, 128523), (10437, 42841)]