99404879

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{2111}}^1$

素因数の和:2187

約数の個数: 18

約数和(自身を含む): 119541312

約数和(自身を除く): 20136433

約数列:

[1, 7, 31, 49, 217, 961, 1519, 2111, 6727, 14777, 47089, 65441, 103439, 458087, 2028671, 3206609, 14200697, 99404879]

約数ペア:

[(1, 99404879), (7, 14200697), (31, 3206609), (49, 2028671), (217, 458087), (961, 103439), (1519, 65441), (2111, 47089), (6727, 14777)]