28706685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2087}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 52918272

約数和(自身を除く): 24211587

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1965, 2087, 2751, 4585, 6261, 10435, 13755, 14609, 31305, 43827, 73045, 219135, 273397, 820191, 1366985, 1913779, 4100955, 5741337, 9568895, 28706685]

約数ペア:

[(1, 28706685), (3, 9568895), (5, 5741337), (7, 4100955), (15, 1913779), (21, 1366985), (35, 820191), (105, 273397), (131, 219135), (393, 73045), (655, 43827), (917, 31305), (1965, 14609), (2087, 13755), (2751, 10435), (4585, 6261)]