39490839

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2687}}^1$

素因数の和:2787

約数の個数: 24

約数和(自身を含む): 60383232

約数和(自身を除く): 20892393

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 2687, 4899, 8061, 14697, 24183, 61801, 185403, 190777, 556209, 572331, 1716993, 4387871, 13163613, 39490839]

約数ペア:

[(1, 39490839), (3, 13163613), (9, 4387871), (23, 1716993), (69, 572331), (71, 556209), (207, 190777), (213, 185403), (639, 61801), (1633, 24183), (2687, 14697), (4899, 8061)]