663678117

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{174331}}^1$

素因数の和:174390

約数の個数: 20

約数和(自身を含む): 1012520256

約数和(自身を除く): 348842139

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 174331, 522993, 1568979, 4706937, 8193557, 14120811, 24580671, 73742013, 221226039, 663678117]

約数ペア:

[(1, 663678117), (3, 221226039), (9, 73742013), (27, 24580671), (47, 14120811), (81, 8193557), (141, 4706937), (423, 1568979), (1269, 522993), (3807, 174331)]