1999648749

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{294803}}^1$

素因数の和:294849

約数の個数: 32

約数和(自身を含む): 3396142080

約数和(自身を除く): 1396493331

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 294803, 884409, 2063621, 5011651, 5601257, 6190863, 15034953, 16803771, 35081557, 39208799, 95221369, 105244671, 117626397, 285664107, 666549583, 1999648749]

約数ペア:

[(1, 1999648749), (3, 666549583), (7, 285664107), (17, 117626397), (19, 105244671), (21, 95221369), (51, 39208799), (57, 35081557), (119, 16803771), (133, 15034953), (323, 6190863), (357, 5601257), (399, 5011651), (969, 2063621), (2261, 884409), (6783, 294803)]