388804779

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{911}}^1$

素因数の和:1413

約数の個数: 40

約数和(自身を含む): 635627520

約数和(自身を除く): 246822741

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 479, 891, 911, 1437, 2733, 4311, 5269, 8199, 10021, 12933, 15807, 24597, 30063, 38799, 47421, 73791, 90189, 142263, 270567, 426789, 436369, 811701, 1309107, 3927321, 4800059, 11781963, 14400177, 35345889, 43200531, 129601593, 388804779]

約数ペア:

[(1, 388804779), (3, 129601593), (9, 43200531), (11, 35345889), (27, 14400177), (33, 11781963), (81, 4800059), (99, 3927321), (297, 1309107), (479, 811701), (891, 436369), (911, 426789), (1437, 270567), (2733, 142263), (4311, 90189), (5269, 73791), (8199, 47421), (10021, 38799), (12933, 30063), (15807, 24597)]