28487949

素因数分解:

$3^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{2213}}^1$

素因数の和:2836

約数の個数: 16

約数和(自身を含む): 43500672

約数和(自身を除く): 15012723

約数列:

[1, 3, 7, 21, 613, 1839, 2213, 4291, 6639, 12873, 15491, 46473, 1356569, 4069707, 9495983, 28487949]

約数ペア:

[(1, 28487949), (3, 9495983), (7, 4069707), (21, 1356569), (613, 46473), (1839, 15491), (2213, 12873), (4291, 6639)]