128045271

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 181646080

約数和(自身を除く): 53600809

約数列:

[1, 3, 37, 43, 111, 129, 139, 193, 417, 579, 1591, 4773, 5143, 5977, 7141, 8299, 15429, 17931, 21423, 24897, 26827, 80481, 221149, 307063, 663447, 921189, 992599, 1153561, 2977797, 3460683, 42681757, 128045271]

約数ペア:

[(1, 128045271), (3, 42681757), (37, 3460683), (43, 2977797), (111, 1153561), (129, 992599), (139, 921189), (193, 663447), (417, 307063), (579, 221149), (1591, 80481), (4773, 26827), (5143, 24897), (5977, 21423), (7141, 17931), (8299, 15429)]