206709531

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5821}}^1$

素因数の和:5939

約数の個数: 32

約数和(自身を含む): 335347200

約数和(自身を除く): 128637669

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 623, 1691, 1869, 5073, 5821, 11837, 17463, 35511, 40747, 110599, 122241, 331797, 518069, 774193, 1554207, 2322579, 3626483, 9843311, 10879449, 29529933, 68903177, 206709531]

約数ペア:

[(1, 206709531), (3, 68903177), (7, 29529933), (19, 10879449), (21, 9843311), (57, 3626483), (89, 2322579), (133, 1554207), (267, 774193), (399, 518069), (623, 331797), (1691, 122241), (1869, 110599), (5073, 40747), (5821, 35511), (11837, 17463)]