30866031

素因数分解:

$3^2\times 7^2\times {\mathrm{69991}}^1$

素因数の和:70011

約数の個数: 18

約数和(自身を含む): 51864072

約数和(自身を除く): 20998041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 69991, 209973, 489937, 629919, 1469811, 3429559, 4409433, 10288677, 30866031]

約数ペア:

[(1, 30866031), (3, 10288677), (7, 4409433), (9, 3429559), (21, 1469811), (49, 629919), (63, 489937), (147, 209973), (441, 69991)]