28336539

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{509}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 47393280

約数和(自身を除く): 19056741

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 241, 509, 723, 1527, 1687, 2651, 3563, 5061, 5599, 7953, 10689, 16797, 18557, 39193, 55671, 117579, 122669, 368007, 858683, 1349359, 2576049, 4048077, 9445513, 28336539]

約数ペア:

[(1, 28336539), (3, 9445513), (7, 4048077), (11, 2576049), (21, 1349359), (33, 858683), (77, 368007), (231, 122669), (241, 117579), (509, 55671), (723, 39193), (1527, 18557), (1687, 16797), (2651, 10689), (3563, 7953), (5061, 5599)]