131285231

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{4723}}^1$

素因数の和:4779

約数の個数: 24

約数和(自身を含む): 172785024

約数和(自身を除く): 41499793

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 1463, 2527, 3971, 4723, 27797, 33061, 51953, 89737, 363671, 628159, 987107, 1705003, 6909749, 11935021, 18755033, 131285231]

約数ペア:

[(1, 131285231), (7, 18755033), (11, 11935021), (19, 6909749), (77, 1705003), (133, 987107), (209, 628159), (361, 363671), (1463, 89737), (2527, 51953), (3971, 33061), (4723, 27797)]