505018689

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{30871}}^1$

素因数の和:30941

約数の個数: 32

約数和(自身を含む): 829839360

約数和(自身を除く): 324820671

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 2337, 5453, 16359, 30871, 92613, 216097, 586549, 648291, 1265711, 1759647, 3797133, 4105843, 8859977, 12317529, 24048509, 26579931, 72145527, 168339563, 505018689]

約数ペア:

[(1, 505018689), (3, 168339563), (7, 72145527), (19, 26579931), (21, 24048509), (41, 12317529), (57, 8859977), (123, 4105843), (133, 3797133), (287, 1759647), (399, 1265711), (779, 648291), (861, 586549), (2337, 216097), (5453, 92613), (16359, 30871)]