261798507

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{206303}}^1$

素因数の和:206359

約数の個数: 16

約数和(自身を含む): 396103680

約数和(自身を除く): 134305173

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 206303, 618909, 1856727, 5570181, 9696241, 29088723, 87266169, 261798507]

約数ペア:

[(1, 261798507), (3, 87266169), (9, 29088723), (27, 9696241), (47, 5570181), (141, 1856727), (423, 618909), (1269, 206303)]