2181411

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 3354624

約数和(自身を除く): 1173213

約数列:

[1, 3, 9, 27, 47, 81, 141, 191, 243, 423, 573, 1269, 1719, 3807, 5157, 8977, 11421, 15471, 26931, 46413, 80793, 242379, 727137, 2181411]

約数ペア:

[(1, 2181411), (3, 727137), (9, 242379), (27, 80793), (47, 46413), (81, 26931), (141, 15471), (191, 11421), (243, 8977), (423, 5157), (573, 3807), (1269, 1719)]