242742017

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{3121}}^1$

素因数の和:3440

約数の個数: 16

約数和(自身を含む): 285325824

約数和(自身を除く): 42583807

約数列:

[1, 7, 41, 271, 287, 1897, 3121, 11111, 21847, 77777, 127961, 845791, 895727, 5920537, 34677431, 242742017]

約数ペア:

[(1, 242742017), (7, 34677431), (41, 5920537), (271, 895727), (287, 845791), (1897, 127961), (3121, 77777), (11111, 21847)]