13559217

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 23040000

約数和(自身を除く): 9480783

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 1999, 2261, 5997, 6783, 13993, 33983, 37981, 41979, 101949, 113943, 237881, 265867, 645677, 713643, 797601, 1937031, 4519739, 13559217]

約数ペア:

[(1, 13559217), (3, 4519739), (7, 1937031), (17, 797601), (19, 713643), (21, 645677), (51, 265867), (57, 237881), (119, 113943), (133, 101949), (323, 41979), (357, 37981), (399, 33983), (969, 13993), (1999, 6783), (2261, 5997)]