263754063

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{12973}}^1$

素因数の和:13236

約数の個数: 20

約数和(自身を含む): 395603208

約数和(自身を除く): 131849145

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 6777, 12973, 20331, 38919, 116757, 350271, 1050813, 3256223, 9768669, 29306007, 87918021, 263754063]

約数ペア:

[(1, 263754063), (3, 87918021), (9, 29306007), (27, 9768669), (81, 3256223), (251, 1050813), (753, 350271), (2259, 116757), (6777, 38919), (12973, 20331)]