27438789

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 43234560

約数和(自身を除く): 15795771

約数列:

[1, 3, 7, 21, 53, 89, 159, 267, 277, 371, 623, 831, 1113, 1869, 1939, 4717, 5817, 14151, 14681, 24653, 33019, 44043, 73959, 99057, 102767, 172571, 308301, 517713, 1306609, 3919827, 9146263, 27438789]

約数ペア:

[(1, 27438789), (3, 9146263), (7, 3919827), (21, 1306609), (53, 517713), (89, 308301), (159, 172571), (267, 102767), (277, 99057), (371, 73959), (623, 44043), (831, 33019), (1113, 24653), (1869, 14681), (1939, 14151), (4717, 5817)]