81124799

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21991}}^1$

素因数の和:22046

約数の個数: 16

約数和(自身を含む): 101339136

約数和(自身を除く): 20214337

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 21991, 153937, 373847, 681721, 2616929, 4772047, 11589257, 81124799]

約数ペア:

[(1, 81124799), (7, 11589257), (17, 4772047), (31, 2616929), (119, 681721), (217, 373847), (527, 153937), (3689, 21991)]