215526143

素因数分解:

$7^1\times {\mathrm{53}}^2\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 255883488

約数和(自身を除く): 40357345

約数列:

[1, 7, 53, 97, 113, 371, 679, 791, 2809, 5141, 5989, 10961, 19663, 35987, 41923, 76727, 272473, 317417, 580933, 1907311, 2221919, 4066531, 30789449, 215526143]

約数ペア:

[(1, 215526143), (7, 30789449), (53, 4066531), (97, 2221919), (113, 1907311), (371, 580933), (679, 317417), (791, 272473), (2809, 76727), (5141, 41923), (5989, 35987), (10961, 19663)]