189457989

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{29387}}^1$

素因数の和:29704

約数の個数: 16

約数和(自身を含む): 289648128

約数和(自身を除く): 100190139

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 29387, 88161, 205709, 617127, 9021809, 27065427, 63152663, 189457989]

約数ペア:

[(1, 189457989), (3, 63152663), (7, 27065427), (21, 9021809), (307, 617127), (921, 205709), (2149, 88161), (6447, 29387)]