28889007

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4481}}^1$

素因数の和:4798

約数の個数: 16

約数和(自身を含む): 44174592

約数和(自身を除く): 15285585

約数列:

[1, 3, 7, 21, 307, 921, 2149, 4481, 6447, 13443, 31367, 94101, 1375667, 4127001, 9629669, 28889007]

約数ペア:

[(1, 28889007), (3, 9629669), (7, 4127001), (21, 1375667), (307, 94101), (921, 31367), (2149, 13443), (4481, 6447)]