11909891

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{2731}}^1$

素因数の和:2834

約数の個数: 12

約数和(自身を含む): 14015160

約数和(自身を除く): 2105269

約数列:

[1, 7, 49, 89, 623, 2731, 4361, 19117, 133819, 243059, 1701413, 11909891]

約数ペア:

[(1, 11909891), (7, 1701413), (49, 243059), (89, 133819), (623, 19117), (2731, 4361)]