87495513

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2129}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 141772800

約数和(自身を除く): 54277287

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 721, 1957, 2129, 2163, 5871, 6387, 13699, 14903, 40451, 41097, 44709, 121353, 219287, 283157, 657861, 849471, 1535009, 4166453, 4605027, 12499359, 29165171, 87495513]

約数ペア:

[(1, 87495513), (3, 29165171), (7, 12499359), (19, 4605027), (21, 4166453), (57, 1535009), (103, 849471), (133, 657861), (309, 283157), (399, 219287), (721, 121353), (1957, 44709), (2129, 41097), (2163, 40451), (5871, 14903), (6387, 13699)]