8420217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5021}}^1$

素因数の和:5080

約数の個数: 16

約数和(自身を含む): 12374208

約数和(自身を除く): 3953991

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 5021, 15063, 65273, 195819, 215903, 647709, 2806739, 8420217]

約数ペア:

[(1, 8420217), (3, 2806739), (13, 647709), (39, 215903), (43, 195819), (129, 65273), (559, 15063), (1677, 5021)]