247344687

素因数分解:

$3^2\times {\mathrm{223}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 361041408

約数和(自身を除く): 113696721

約数列:

[1, 3, 9, 223, 251, 491, 669, 753, 1473, 2007, 2259, 4419, 55973, 109493, 123241, 167919, 328479, 369723, 503757, 985437, 1109169, 27482743, 82448229, 247344687]

約数ペア:

[(1, 247344687), (3, 82448229), (9, 27482743), (223, 1109169), (251, 985437), (491, 503757), (669, 369723), (753, 328479), (1473, 167919), (2007, 123241), (2259, 109493), (4419, 55973)]