81029221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{5147}}^1$

素因数の和:5340

約数の個数: 16

約数和(自身を含む): 100324224

約数和(自身を除く): 19295003

約数列:

[1, 7, 13, 91, 173, 1211, 2249, 5147, 15743, 36029, 66911, 468377, 890431, 6233017, 11575603, 81029221]

約数ペア:

[(1, 81029221), (7, 11575603), (13, 6233017), (91, 890431), (173, 468377), (1211, 66911), (2249, 36029), (5147, 15743)]