81437259

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 119508480

約数和(自身を除く): 38071221

約数列:

[1, 3, 17, 37, 51, 103, 111, 309, 419, 629, 1257, 1751, 1887, 3811, 5253, 7123, 11433, 15503, 21369, 43157, 46509, 64787, 129471, 194361, 263551, 733669, 790653, 1596809, 2201007, 4790427, 27145753, 81437259]

約数ペア:

[(1, 81437259), (3, 27145753), (17, 4790427), (37, 2201007), (51, 1596809), (103, 790653), (111, 733669), (309, 263551), (419, 194361), (629, 129471), (1257, 64787), (1751, 46509), (1887, 43157), (3811, 21369), (5253, 15503), (7123, 11433)]