71663487

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 113088000

約数和(自身を除く): 41424513

約数列:

[1, 3, 7, 21, 37, 111, 149, 259, 447, 619, 777, 1043, 1857, 3129, 4333, 5513, 12999, 16539, 22903, 38591, 68709, 92231, 115773, 160321, 276693, 480963, 645617, 1936851, 3412547, 10237641, 23887829, 71663487]

約数ペア:

[(1, 71663487), (3, 23887829), (7, 10237641), (21, 3412547), (37, 1936851), (111, 645617), (149, 480963), (259, 276693), (447, 160321), (619, 115773), (777, 92231), (1043, 68709), (1857, 38591), (3129, 22903), (4333, 16539), (5513, 12999)]