86561709

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 129153024

約数和(自身を除く): 42591315

約数列:

[1, 3, 13, 39, 43, 71, 129, 213, 559, 727, 923, 1677, 2181, 2769, 3053, 9159, 9451, 28353, 31261, 39689, 51617, 93783, 119067, 154851, 406393, 671021, 1219179, 2013063, 2219531, 6658593, 28853903, 86561709]

約数ペア:

[(1, 86561709), (3, 28853903), (13, 6658593), (39, 2219531), (43, 2013063), (71, 1219179), (129, 671021), (213, 406393), (559, 154851), (727, 119067), (923, 93783), (1677, 51617), (2181, 39689), (2769, 31261), (3053, 28353), (9159, 9451)]