16737721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 23482368

約数和(自身を除く): 6744647

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 727, 1001, 1771, 2093, 3289, 5089, 7997, 9451, 16721, 23023, 55979, 66157, 103961, 117047, 183931, 217373, 727727, 1287517, 1521611, 2391103, 16737721]

約数ペア:

[(1, 16737721), (7, 2391103), (11, 1521611), (13, 1287517), (23, 727727), (77, 217373), (91, 183931), (143, 117047), (161, 103961), (253, 66157), (299, 55979), (727, 23023), (1001, 16721), (1771, 9451), (2093, 7997), (3289, 5089)]