25886421

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 36

約数和(自身を含む): 42142464

約数和(自身を除く): 16256043

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 191, 333, 407, 573, 1221, 1369, 1719, 2101, 3663, 4107, 6303, 7067, 12321, 15059, 18909, 21201, 45177, 63603, 77737, 135531, 233211, 261479, 699633, 784437, 2353311, 2876269, 8628807, 25886421]

約数ペア:

[(1, 25886421), (3, 8628807), (9, 2876269), (11, 2353311), (33, 784437), (37, 699633), (99, 261479), (111, 233211), (191, 135531), (333, 77737), (407, 63603), (573, 45177), (1221, 21201), (1369, 18909), (1719, 15059), (2101, 12321), (3663, 7067), (4107, 6303)]