28268415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2087}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 57328128

約数和(自身を除く): 29059713

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2087, 2709, 4515, 6261, 10435, 13545, 14609, 18783, 31305, 43827, 73045, 89741, 93915, 131481, 219135, 269223, 448705, 628187, 657405, 807669, 1346115, 1884561, 3140935, 4038345, 5653683, 9422805, 28268415]

約数ペア:

[(1, 28268415), (3, 9422805), (5, 5653683), (7, 4038345), (9, 3140935), (15, 1884561), (21, 1346115), (35, 807669), (43, 657405), (45, 628187), (63, 448705), (105, 269223), (129, 219135), (215, 131481), (301, 93915), (315, 89741), (387, 73045), (645, 43827), (903, 31305), (1505, 18783), (1935, 14609), (2087, 13545), (2709, 10435), (4515, 6261)]