120789255

素因数分解:

$3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{28657}}^1$

素因数の和:28946

約数の個数: 16

約数和(自身を含む): 193957344

約数和(自身を除く): 73168089

約数列:

[1, 3, 5, 15, 281, 843, 1405, 4215, 28657, 85971, 143285, 429855, 8052617, 24157851, 40263085, 120789255]

約数ペア:

[(1, 120789255), (3, 40263085), (5, 24157851), (15, 8052617), (281, 429855), (843, 143285), (1405, 85971), (4215, 28657)]