1427245839

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{212293}}^1$

素因数の和:212388

約数の個数: 20

約数和(自身を含む): 2157756216

約数和(自身を除く): 730510377

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 6723, 212293, 636879, 1910637, 5731911, 17195733, 17620319, 52860957, 158582871, 475748613, 1427245839]

約数ペア:

[(1, 1427245839), (3, 475748613), (9, 158582871), (27, 52860957), (81, 17620319), (83, 17195733), (249, 5731911), (747, 1910637), (2241, 636879), (6723, 212293)]