2687386317

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{17981}}^1$

素因数の和:18649

約数の個数: 32

約数和(自身を含む): 4474497024

約数和(自身を除く): 1787110707

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 647, 1941, 4529, 7117, 13587, 17981, 21351, 49819, 53943, 125867, 149457, 197791, 377601, 593373, 1384537, 4153611, 11633707, 34901121, 81435949, 127970777, 244307847, 383912331, 895795439, 2687386317]

約数ペア:

[(1, 2687386317), (3, 895795439), (7, 383912331), (11, 244307847), (21, 127970777), (33, 81435949), (77, 34901121), (231, 11633707), (647, 4153611), (1941, 1384537), (4529, 593373), (7117, 377601), (13587, 197791), (17981, 149457), (21351, 125867), (49819, 53943)]