12581649

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{9137}}^1$

素因数の和:9166

約数の個数: 20

約数和(自身を含む): 19902564

約数和(自身を除く): 7320915

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9137, 27411, 82233, 155329, 246699, 465987, 740097, 1397961, 4193883, 12581649]

約数ペア:

[(1, 12581649), (3, 4193883), (9, 1397961), (17, 740097), (27, 465987), (51, 246699), (81, 155329), (153, 82233), (459, 27411), (1377, 9137)]