28506687

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{631}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 42682752

約数和(自身を除く): 14176065

約数列:

[1, 3, 11, 33, 37, 111, 407, 631, 1221, 1369, 1893, 4107, 6941, 15059, 20823, 23347, 45177, 70041, 256817, 770451, 863839, 2591517, 9502229, 28506687]

約数ペア:

[(1, 28506687), (3, 9502229), (11, 2591517), (33, 863839), (37, 770451), (111, 256817), (407, 70041), (631, 45177), (1221, 23347), (1369, 20823), (1893, 15059), (4107, 6941)]