209973906

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{67429}}^1$

素因数の和:67610

約数の個数: 24

約数和(自身を含む): 457579980

約数和(自身を除く): 247606074

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 67429, 134858, 202287, 404574, 606861, 1213722, 11665217, 23330434, 34995651, 69991302, 104986953, 209973906]

約数ペア:

[(1, 209973906), (2, 104986953), (3, 69991302), (6, 34995651), (9, 23330434), (18, 11665217), (173, 1213722), (346, 606861), (519, 404574), (1038, 202287), (1557, 134858), (3114, 67429)]