13777239

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2137}}^1$

素因数の和:2454

約数の個数: 16

約数和(自身を含む): 21072128

約数和(自身を除く): 7294889

約数列:

[1, 3, 7, 21, 307, 921, 2137, 2149, 6411, 6447, 14959, 44877, 656059, 1968177, 4592413, 13777239]

約数ペア:

[(1, 13777239), (3, 4592413), (7, 1968177), (21, 656059), (307, 44877), (921, 14959), (2137, 6447), (2149, 6411)]