27781439

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2347}}^1$

素因数の和:2462

約数の個数: 16

約数和(自身を含む): 33811200

約数和(自身を除く): 6029761

約数列:

[1, 7, 19, 89, 133, 623, 1691, 2347, 11837, 16429, 44593, 208883, 312151, 1462181, 3968777, 27781439]

約数ペア:

[(1, 27781439), (7, 3968777), (19, 1462181), (89, 312151), (133, 208883), (623, 44593), (1691, 16429), (2347, 11837)]