42740703

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31039}}^1$

素因数の和:31068

約数の個数: 20

約数和(自身を含む): 67605120

約数和(自身を除く): 24864417

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 31039, 93117, 279351, 527663, 838053, 1582989, 2514159, 4748967, 14246901, 42740703]

約数ペア:

[(1, 42740703), (3, 14246901), (9, 4748967), (17, 2514159), (27, 1582989), (51, 838053), (81, 527663), (153, 279351), (459, 93117), (1377, 31039)]