265715996859

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{138610327}}^1$

素因数の和:138610407

約数の個数: 16

約数和(自身を含む): 399197744640

約数和(自身を除く): 133481747781

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 138610327, 415830981, 1247492943, 3742478829, 9841333217, 29523999651, 88571998953, 265715996859]

約数ペア:

[(1, 265715996859), (3, 88571998953), (9, 29523999651), (27, 9841333217), (71, 3742478829), (213, 1247492943), (639, 415830981), (1917, 138610327)]