205189077

素因数分解:

$3^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 284586048

約数和(自身を除く): 79396971

約数列:

[1, 3, 43, 71, 129, 213, 521, 1563, 1849, 3053, 5547, 9159, 22403, 36991, 67209, 110973, 131279, 393837, 963329, 1590613, 2889987, 4771839, 68396359, 205189077]

約数ペア:

[(1, 205189077), (3, 68396359), (43, 4771839), (71, 2889987), (129, 1590613), (213, 963329), (521, 393837), (1563, 131279), (1849, 110973), (3053, 67209), (5547, 36991), (9159, 22403)]