16516689

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 26776320

約数和(自身を除く): 10259631

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 609, 733, 777, 1073, 2199, 3219, 5131, 7511, 15393, 21257, 22533, 27121, 63771, 81363, 148799, 189847, 446397, 569541, 786509, 2359527, 5505563, 16516689]

約数ペア:

[(1, 16516689), (3, 5505563), (7, 2359527), (21, 786509), (29, 569541), (37, 446397), (87, 189847), (111, 148799), (203, 81363), (259, 63771), (609, 27121), (733, 22533), (777, 21257), (1073, 15393), (2199, 7511), (3219, 5131)]