421571549

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{141041}}^1$

素因数の和:141116

約数の個数: 12

約数和(自身を含む): 498442428

約数和(自身を除く): 76870879

約数列:

[1, 7, 49, 61, 427, 2989, 141041, 987287, 6911009, 8603501, 60224507, 421571549]

約数ペア:

[(1, 421571549), (7, 60224507), (49, 8603501), (61, 6911009), (427, 987287), (2989, 141041)]