16771279

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 20582016

約数和(自身を除く): 3810737

約数列:

[1, 7, 31, 49, 61, 181, 217, 427, 1267, 1519, 1891, 2989, 5611, 8869, 11041, 13237, 39277, 77287, 92659, 274939, 342271, 541009, 2395897, 16771279]

約数ペア:

[(1, 16771279), (7, 2395897), (31, 541009), (49, 342271), (61, 274939), (181, 92659), (217, 77287), (427, 39277), (1267, 13237), (1519, 11041), (1891, 8869), (2989, 5611)]