205121158857

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{20533}}^1\times {\mathrm{65293}}^1$

素因数の和:85849

約数の個数: 24

約数和(自身を含む): 313734797064

約数和(自身を除く): 108613638207

約数列:

[1, 3, 9, 17, 51, 153, 20533, 61599, 65293, 184797, 195879, 349061, 587637, 1047183, 1109981, 3141549, 3329943, 9989829, 1340661169, 4021983507, 12065950521, 22791239873, 68373719619, 205121158857]

約数ペア:

[(1, 205121158857), (3, 68373719619), (9, 22791239873), (17, 12065950521), (51, 4021983507), (153, 1340661169), (20533, 9989829), (61599, 3329943), (65293, 3141549), (184797, 1109981), (195879, 1047183), (349061, 587637)]