17877209

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{5981}}^1$

素因数の和:6056

約数の個数: 12

約数和(自身を含む): 21140388

約数和(自身を除く): 3263179

約数列:

[1, 7, 49, 61, 427, 2989, 5981, 41867, 293069, 364841, 2553887, 17877209]

約数ペア:

[(1, 17877209), (7, 2553887), (49, 364841), (61, 293069), (427, 41867), (2989, 5981)]