200720889

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{47351}}^1$

素因数の和:47517

約数の個数: 16

約数和(自身を含む): 299264640

約数和(自身を除く): 98543751

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 47351, 142053, 426159, 1278477, 7434107, 22302321, 66906963, 200720889]

約数ペア:

[(1, 200720889), (3, 66906963), (9, 22302321), (27, 7434107), (157, 1278477), (471, 426159), (1413, 142053), (4239, 47351)]