320161605

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{1567}}^1$

素因数の和:1885

約数の個数: 32

約数和(自身を含む): 524289024

約数和(自身を除く): 204127419

約数列:

[1, 3, 5, 15, 53, 159, 257, 265, 771, 795, 1285, 1567, 3855, 4701, 7835, 13621, 23505, 40863, 68105, 83051, 204315, 249153, 402719, 415255, 1208157, 1245765, 2013595, 6040785, 21344107, 64032321, 106720535, 320161605]

約数ペア:

[(1, 320161605), (3, 106720535), (5, 64032321), (15, 21344107), (53, 6040785), (159, 2013595), (257, 1245765), (265, 1208157), (771, 415255), (795, 402719), (1285, 249153), (1567, 204315), (3855, 83051), (4701, 68105), (7835, 40863), (13621, 23505)]