128317245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{4349}}^1$

素因数の和:4645

約数の個数: 32

約数和(自身を含む): 235526400

約数和(自身を除く): 107209155

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 281, 843, 1405, 1967, 4215, 4349, 5901, 9835, 13047, 21745, 29505, 30443, 65235, 91329, 152215, 456645, 1222069, 3666207, 6110345, 8554483, 18331035, 25663449, 42772415, 128317245]

約数ペア:

[(1, 128317245), (3, 42772415), (5, 25663449), (7, 18331035), (15, 8554483), (21, 6110345), (35, 3666207), (105, 1222069), (281, 456645), (843, 152215), (1405, 91329), (1967, 65235), (4215, 30443), (4349, 29505), (5901, 21745), (9835, 13047)]