421626821

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19079}}^1$

素因数の和:19145

約数の個数: 24

約数和(自身を含む): 548130240

約数和(自身を除く): 126503419

約数列:

[1, 7, 11, 41, 49, 77, 287, 451, 539, 2009, 3157, 19079, 22099, 133553, 209869, 782239, 934871, 1469083, 5475673, 8604629, 10283581, 38329711, 60232403, 421626821]

約数ペア:

[(1, 421626821), (7, 60232403), (11, 38329711), (41, 10283581), (49, 8604629), (77, 5475673), (287, 1469083), (451, 934871), (539, 782239), (2009, 209869), (3157, 133553), (19079, 22099)]