778815027

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{395137}}^1$

素因数の和:395219

約数の個数: 16

約数和(自身を含む): 1169608480

約数和(自身を除く): 390793453

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 395137, 1185411, 3556233, 10668699, 28845001, 86535003, 259605009, 778815027]

約数ペア:

[(1, 778815027), (3, 259605009), (9, 86535003), (27, 28845001), (73, 10668699), (219, 3556233), (657, 1185411), (1971, 395137)]