28989681

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{44531}}^1$

素因数の和:44572

約数の個数: 16

約数和(自身を含む): 45600768

約数和(自身を除く): 16611087

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 44531, 133593, 311717, 935151, 1380461, 4141383, 9663227, 28989681]

約数ペア:

[(1, 28989681), (3, 9663227), (7, 4141383), (21, 1380461), (31, 935151), (93, 311717), (217, 133593), (651, 44531)]