205320987

素因数分解:

$3^4\times {\mathrm{277}}^1\times {\mathrm{9151}}^1$

素因数の和:9440

約数の個数: 20

約数和(自身を含む): 307854976

約数和(自身を除く): 102533989

約数列:

[1, 3, 9, 27, 81, 277, 831, 2493, 7479, 9151, 22437, 27453, 82359, 247077, 741231, 2534827, 7604481, 22813443, 68440329, 205320987]

約数ペア:

[(1, 205320987), (3, 68440329), (9, 22813443), (27, 7604481), (81, 2534827), (277, 741231), (831, 247077), (2493, 82359), (7479, 27453), (9151, 22437)]