727137

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 20

約数和(自身を含む): 1115136

約数和(自身を除く): 387999

約数列:

[1, 3, 9, 27, 47, 81, 141, 191, 423, 573, 1269, 1719, 3807, 5157, 8977, 15471, 26931, 80793, 242379, 727137]

約数ペア:

[(1, 727137), (3, 242379), (9, 80793), (27, 26931), (47, 15471), (81, 8977), (141, 5157), (191, 3807), (423, 1719), (573, 1269)]