13380871

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 16809984

約数和(自身を除く): 3429113

約数列:

[1, 7, 23, 31, 49, 161, 217, 383, 713, 1127, 1519, 2681, 4991, 8809, 11873, 18767, 34937, 61663, 83111, 273079, 431641, 581777, 1911553, 13380871]

約数ペア:

[(1, 13380871), (7, 1911553), (23, 581777), (31, 431641), (49, 273079), (161, 83111), (217, 61663), (383, 34937), (713, 18767), (1127, 11873), (1519, 8809), (2681, 4991)]