890844993

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 1396037440

約数和(自身を除く): 505192447

約数列:

[1, 3, 9, 23, 27, 69, 97, 207, 291, 529, 621, 643, 873, 1587, 1929, 2231, 2619, 4761, 5787, 6693, 14283, 14789, 17361, 20079, 44367, 51313, 60237, 62371, 133101, 153939, 187113, 340147, 399303, 461817, 561339, 1020441, 1385451, 1434533, 1684017, 3061323, 4303599, 9183969, 12910797, 32994259, 38732391, 98982777, 296948331, 890844993]

約数ペア:

[(1, 890844993), (3, 296948331), (9, 98982777), (23, 38732391), (27, 32994259), (69, 12910797), (97, 9183969), (207, 4303599), (291, 3061323), (529, 1684017), (621, 1434533), (643, 1385451), (873, 1020441), (1587, 561339), (1929, 461817), (2231, 399303), (2619, 340147), (4761, 187113), (5787, 153939), (6693, 133101), (14283, 62371), (14789, 60237), (17361, 51313), (20079, 44367)]