2056905

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 3651648

約数和(自身を除く): 1594743

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1063, 1935, 3189, 5315, 9567, 15945, 45709, 47835, 137127, 228545, 411381, 685635, 2056905]

約数ペア:

[(1, 2056905), (3, 685635), (5, 411381), (9, 228545), (15, 137127), (43, 47835), (45, 45709), (129, 15945), (215, 9567), (387, 5315), (645, 3189), (1063, 1935)]