287175051

素因数分解:

$3^4\times {\mathrm{641}}^1\times {\mathrm{5531}}^1$

素因数の和:6184

約数の個数: 20

約数和(自身を含む): 429736824

約数和(自身を除く): 142561773

約数列:

[1, 3, 9, 27, 81, 641, 1923, 5531, 5769, 16593, 17307, 49779, 51921, 149337, 448011, 3545371, 10636113, 31908339, 95725017, 287175051]

約数ペア:

[(1, 287175051), (3, 95725017), (9, 31908339), (27, 10636113), (81, 3545371), (641, 448011), (1923, 149337), (5531, 51921), (5769, 49779), (16593, 17307)]