16919343

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{991}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 28061696

約数和(自身を除く): 11142353

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 991, 1897, 2439, 2973, 5691, 6937, 8919, 17073, 20811, 62433, 268561, 805683, 1879927, 2417049, 5639781, 16919343]

約数ペア:

[(1, 16919343), (3, 5639781), (7, 2417049), (9, 1879927), (21, 805683), (63, 268561), (271, 62433), (813, 20811), (991, 17073), (1897, 8919), (2439, 6937), (2973, 5691)]