9891567

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{797}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 16432416

約数和(自身を除く): 6540849

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 797, 1379, 1773, 2391, 4137, 5579, 7173, 12411, 16737, 50211, 157009, 471027, 1099063, 1413081, 3297189, 9891567]

約数ペア:

[(1, 9891567), (3, 3297189), (7, 1413081), (9, 1099063), (21, 471027), (63, 157009), (197, 50211), (591, 16737), (797, 12411), (1379, 7173), (1773, 5579), (2391, 4137)]