199959837

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{123661}}^1$

素因数の和:123689

約数の個数: 24

約数和(自身を含む): 338339232

約数和(自身を除く): 138379395

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 123661, 370983, 865627, 1360271, 2596881, 4080813, 6059389, 9521897, 18178167, 28565691, 66653279, 199959837]

約数ペア:

[(1, 199959837), (3, 66653279), (7, 28565691), (11, 18178167), (21, 9521897), (33, 6059389), (49, 4080813), (77, 2596881), (147, 1360271), (231, 865627), (539, 370983), (1617, 123661)]