128526321

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{50581}}^1$

素因数の和:50613

約数の個数: 24

約数和(自身を含む): 215276992

約数和(自身を除く): 86750671

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 50581, 151743, 354067, 556391, 1062201, 1669173, 3894737, 6120301, 11684211, 18360903, 42842107, 128526321]

約数ペア:

[(1, 128526321), (3, 42842107), (7, 18360903), (11, 11684211), (21, 6120301), (33, 3894737), (77, 1669173), (121, 1062201), (231, 556391), (363, 354067), (847, 151743), (2541, 50581)]