42887943

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{7649}}^1$

素因数の和:7751

約数の個数: 24

約数和(自身を含む): 71604000

約数和(自身を除く): 28716057

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 7649, 22947, 53543, 68841, 160629, 481887, 680761, 2042283, 4765327, 6126849, 14295981, 42887943]

約数ペア:

[(1, 42887943), (3, 14295981), (7, 6126849), (9, 4765327), (21, 2042283), (63, 680761), (89, 481887), (267, 160629), (623, 68841), (801, 53543), (1869, 22947), (5607, 7649)]