18297531

素因数分解:

$3^2\times 7^2\times {\mathrm{41491}}^1$

素因数の和:41511

約数の個数: 18

約数和(自身を含む): 30745572

約数和(自身を除く): 12448041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 41491, 124473, 290437, 373419, 871311, 2033059, 2613933, 6099177, 18297531]

約数ペア:

[(1, 18297531), (3, 6099177), (7, 2613933), (9, 2033059), (21, 871311), (49, 373419), (63, 290437), (147, 124473), (441, 41491)]