256591197

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{6229}}^1$

素因数の和:6457

約数の個数: 24

約数和(自身を含む): 388752000

約数和(自身を除く): 132160803

約数列:

[1, 3, 9, 23, 69, 199, 207, 597, 1791, 4577, 6229, 13731, 18687, 41193, 56061, 143267, 429801, 1239571, 1289403, 3718713, 11156139, 28510133, 85530399, 256591197]

約数ペア:

[(1, 256591197), (3, 85530399), (9, 28510133), (23, 11156139), (69, 3718713), (199, 1289403), (207, 1239571), (597, 429801), (1791, 143267), (4577, 56061), (6229, 41193), (13731, 18687)]