16491639

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 23820160

約数和(自身を除く): 7328521

約数列:

[1, 3, 19, 53, 57, 103, 159, 309, 1007, 1957, 2809, 3021, 5459, 5871, 8427, 16377, 53371, 103721, 160113, 289327, 311163, 867981, 5497213, 16491639]

約数ペア:

[(1, 16491639), (3, 5497213), (19, 867981), (53, 311163), (57, 289327), (103, 160113), (159, 103721), (309, 53371), (1007, 16377), (1957, 8427), (2809, 5871), (3021, 5459)]