61271889

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{78857}}^1$

素因数の和:78904

約数の個数: 16

約数和(自身を含む): 95891328

約数和(自身を除く): 34619439

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 78857, 236571, 551999, 1655997, 2917709, 8753127, 20423963, 61271889]

約数ペア:

[(1, 61271889), (3, 20423963), (7, 8753127), (21, 2917709), (37, 1655997), (111, 551999), (259, 236571), (777, 78857)]