9971185

素因数分解:

$5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{661}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 13727232

約数和(自身を除く): 3756047

約数列:

[1, 5, 7, 35, 431, 661, 2155, 3017, 3305, 4627, 15085, 23135, 284891, 1424455, 1994237, 9971185]

約数ペア:

[(1, 9971185), (5, 1994237), (7, 1424455), (35, 284891), (431, 23135), (661, 15085), (2155, 4627), (3017, 3305)]