54386781

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 77395968

約数和(自身を除く): 23009187

約数列:

[1, 3, 37, 67, 71, 103, 111, 201, 213, 309, 2479, 2627, 3811, 4757, 6901, 7313, 7437, 7881, 11433, 14271, 20703, 21939, 176009, 255337, 270581, 489971, 528027, 766011, 811743, 1469913, 18128927, 54386781]

約数ペア:

[(1, 54386781), (3, 18128927), (37, 1469913), (67, 811743), (71, 766011), (103, 528027), (111, 489971), (201, 270581), (213, 255337), (309, 176009), (2479, 21939), (2627, 20703), (3811, 14271), (4757, 11433), (6901, 7881), (7313, 7437)]