891036765

素因数分解:

$3^2\times 5^1\times {\mathrm{19800817}}^1$

素因数の和:19800828

約数の個数: 12

約数和(自身を含む): 1544463804

約数和(自身を除く): 653427039

約数列:

[1, 3, 5, 9, 15, 45, 19800817, 59402451, 99004085, 178207353, 297012255, 891036765]

約数ペア:

[(1, 891036765), (3, 297012255), (5, 178207353), (9, 99004085), (15, 59402451), (45, 19800817)]