55288989

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{23719}}^1$

素因数の和:23769

約数の個数: 24

約数和(自身を含む): 93741440

約数和(自身を除く): 38452451

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 23719, 71157, 166033, 213471, 498099, 877603, 1494297, 2632809, 6143221, 7898427, 18429663, 55288989]

約数ペア:

[(1, 55288989), (3, 18429663), (7, 7898427), (9, 6143221), (21, 2632809), (37, 1494297), (63, 877603), (111, 498099), (259, 213471), (333, 166033), (777, 71157), (2331, 23719)]