209136987

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{3853}}^1$

素因数の和:4059

約数の個数: 24

約数和(自身を含む): 312235664

約数和(自身を除く): 103098677

約数列:

[1, 3, 9, 37, 111, 163, 333, 489, 1467, 3853, 6031, 11559, 18093, 34677, 54279, 142561, 427683, 628039, 1283049, 1884117, 5652351, 23237443, 69712329, 209136987]

約数ペア:

[(1, 209136987), (3, 69712329), (9, 23237443), (37, 5652351), (111, 1884117), (163, 1283049), (333, 628039), (489, 427683), (1467, 142561), (3853, 54279), (6031, 34677), (11559, 18093)]