139193999

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^2$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 172382208

約数和(自身を除く): 33188209

約数列:

[1, 7, 23, 31, 161, 167, 217, 713, 1169, 3841, 4991, 5177, 26887, 27889, 36239, 119071, 195223, 641447, 833497, 864559, 4490129, 6051913, 19884857, 139193999]

約数ペア:

[(1, 139193999), (7, 19884857), (23, 6051913), (31, 4490129), (161, 864559), (167, 833497), (217, 641447), (713, 195223), (1169, 119071), (3841, 36239), (4991, 27889), (5177, 26887)]