205291287

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{907}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 311189760

約数和(自身を除く): 105898473

約数列:

[1, 3, 9, 27, 83, 101, 249, 303, 747, 907, 909, 2241, 2721, 2727, 8163, 8383, 24489, 25149, 75281, 75447, 91607, 225843, 226341, 274821, 677529, 824463, 2032587, 2473389, 7603381, 22810143, 68430429, 205291287]

約数ペア:

[(1, 205291287), (3, 68430429), (9, 22810143), (27, 7603381), (83, 2473389), (101, 2032587), (249, 824463), (303, 677529), (747, 274821), (907, 226341), (909, 225843), (2241, 91607), (2721, 75447), (2727, 75281), (8163, 25149), (8383, 24489)]