663687

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:579

約数の個数: 16

約数和(自身を含む): 1006080

約数和(自身を除く): 342393

約数列:

[1, 3, 9, 27, 47, 141, 423, 523, 1269, 1569, 4707, 14121, 24581, 73743, 221229, 663687]

約数ペア:

[(1, 663687), (3, 221229), (9, 73743), (27, 24581), (47, 14121), (141, 4707), (423, 1569), (523, 1269)]