80520951

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{19867}}^1$

素因数の和:20070

約数の個数: 16

約数和(自身を含む): 123340544

約数和(自身を除く): 42819593

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 19867, 59601, 139069, 417207, 3834331, 11502993, 26840317, 80520951]

約数ペア:

[(1, 80520951), (3, 26840317), (7, 11502993), (21, 3834331), (193, 417207), (579, 139069), (1351, 59601), (4053, 19867)]