388950021

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{883}}^1\times {\mathrm{2879}}^1$

素因数の和:3785

約数の個数: 24

約数和(自身を含む): 595745280

約数和(自身を除く): 206795259

約数列:

[1, 3, 9, 17, 51, 153, 883, 2649, 2879, 7947, 8637, 15011, 25911, 45033, 48943, 135099, 146829, 440487, 2542157, 7626471, 22879413, 43216669, 129650007, 388950021]

約数ペア:

[(1, 388950021), (3, 129650007), (9, 43216669), (17, 22879413), (51, 7626471), (153, 2542157), (883, 440487), (2649, 146829), (2879, 135099), (7947, 48943), (8637, 45033), (15011, 25911)]