13813779

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 22464000

約数和(自身を除く): 8650221

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 389, 399, 623, 1167, 1691, 1869, 2723, 5073, 7391, 8169, 11837, 22173, 34621, 35511, 51737, 103863, 155211, 242347, 657799, 727041, 1973397, 4604593, 13813779]

約数ペア:

[(1, 13813779), (3, 4604593), (7, 1973397), (19, 727041), (21, 657799), (57, 242347), (89, 155211), (133, 103863), (267, 51737), (389, 35511), (399, 34621), (623, 22173), (1167, 11837), (1691, 8169), (1869, 7391), (2723, 5073)]