1041201

素因数分解:

$3^3\times 7^2\times {\mathrm{787}}^1$

素因数の和:810

約数の個数: 24

約数和(自身を含む): 1796640

約数和(自身を除く): 755439

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 787, 1323, 2361, 5509, 7083, 16527, 21249, 38563, 49581, 115689, 148743, 347067, 1041201]

約数ペア:

[(1, 1041201), (3, 347067), (7, 148743), (9, 115689), (21, 49581), (27, 38563), (49, 21249), (63, 16527), (147, 7083), (189, 5509), (441, 2361), (787, 1323)]