31681485

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2207}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 62000640

約数和(自身を除く): 30319155

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 2207, 2871, 4785, 6621, 11035, 14355, 19863, 24277, 33105, 64003, 72831, 99315, 121385, 192009, 218493, 320015, 364155, 576027, 704033, 960045, 1092465, 2112099, 2880135, 3520165, 6336297, 10560495, 31681485]

約数ペア:

[(1, 31681485), (3, 10560495), (5, 6336297), (9, 3520165), (11, 2880135), (15, 2112099), (29, 1092465), (33, 960045), (45, 704033), (55, 576027), (87, 364155), (99, 320015), (145, 218493), (165, 192009), (261, 121385), (319, 99315), (435, 72831), (495, 64003), (957, 33105), (1305, 24277), (1595, 19863), (2207, 14355), (2871, 11035), (4785, 6621)]