261274797

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{112087}}^1$

素因数の和:112137

約数の個数: 24

約数和(自身を含む): 442971776

約数和(自身を除く): 181696979

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 112087, 336261, 784609, 1008783, 2353827, 4147219, 7061481, 12441657, 29030533, 37324971, 87091599, 261274797]

約数ペア:

[(1, 261274797), (3, 87091599), (7, 37324971), (9, 29030533), (21, 12441657), (37, 7061481), (63, 4147219), (111, 2353827), (259, 1008783), (333, 784609), (777, 336261), (2331, 112087)]