209555427

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{26449}}^1$

素因数の和:26610

約数の個数: 16

約数和(自身を含む): 296240000

約数和(自身を除く): 86684573

約数列:

[1, 3, 19, 57, 139, 417, 2641, 7923, 26449, 79347, 502531, 1507593, 3676411, 11029233, 69851809, 209555427]

約数ペア:

[(1, 209555427), (3, 69851809), (19, 11029233), (57, 3676411), (139, 1507593), (417, 502531), (2641, 79347), (7923, 26449)]