80130789

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{26737}}^1$

素因数の和:26786

約数の個数: 20

約数和(自身を含む): 122941324

約数和(自身を除く): 42810535

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 26737, 80211, 240633, 721899, 989269, 2165697, 2967807, 8903421, 26710263, 80130789]

約数ペア:

[(1, 80130789), (3, 26710263), (9, 8903421), (27, 2967807), (37, 2165697), (81, 989269), (111, 721899), (333, 240633), (999, 80211), (2997, 26737)]