131285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 24

約数和(自身を含む): 204288

約数和(自身を除く): 73003

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 155, 217, 341, 385, 605, 847, 1085, 1705, 2387, 3751, 4235, 11935, 18755, 26257, 131285]

約数ペア:

[(1, 131285), (5, 26257), (7, 18755), (11, 11935), (31, 4235), (35, 3751), (55, 2387), (77, 1705), (121, 1085), (155, 847), (217, 605), (341, 385)]