17389729

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 20709376

約数和(自身を除く): 3319647

約数列:

[1, 7, 31, 127, 217, 631, 889, 3937, 4417, 19561, 27559, 80137, 136927, 560959, 2484247, 17389729]

約数ペア:

[(1, 17389729), (7, 2484247), (31, 560959), (127, 136927), (217, 80137), (631, 27559), (889, 19561), (3937, 4417)]