17554401

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{6991}}^1$

素因数の和:7034

約数の個数: 20

約数和(自身を含む): 27073024

約数和(自身を除く): 9518623

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 6991, 20973, 62919, 188757, 216721, 566271, 650163, 1950489, 5851467, 17554401]

約数ペア:

[(1, 17554401), (3, 5851467), (9, 1950489), (27, 650163), (31, 566271), (81, 216721), (93, 188757), (279, 62919), (837, 20973), (2511, 6991)]