199986927

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{202621}}^1$

素因数の和:202678

約数の個数: 16

約数和(自身を含む): 311227392

約数和(自身を除く): 111240465

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 202621, 607863, 1418347, 4255041, 9523187, 28569561, 66662309, 199986927]

約数ペア:

[(1, 199986927), (3, 66662309), (7, 28569561), (21, 9523187), (47, 4255041), (141, 1418347), (329, 607863), (987, 202621)]