201123531

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{168023}}^1$

素因数の和:168055

約数の個数: 24

約数和(自身を含む): 349489920

約数和(自身を除く): 148366389

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 168023, 504069, 1176161, 1512207, 3192437, 3528483, 9577311, 10585449, 22347059, 28731933, 67041177, 201123531]

約数ペア:

[(1, 201123531), (3, 67041177), (7, 28731933), (9, 22347059), (19, 10585449), (21, 9577311), (57, 3528483), (63, 3192437), (133, 1512207), (171, 1176161), (399, 504069), (1197, 168023)]