30406389

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 14752011

約数列:

[1, 3, 13, 39, 71, 79, 139, 213, 237, 417, 923, 1027, 1807, 2769, 3081, 5421, 5609, 9869, 10981, 16827, 29607, 32943, 72917, 128297, 142753, 218751, 384891, 428259, 779651, 2338953, 10135463, 30406389]

約数ペア:

[(1, 30406389), (3, 10135463), (13, 2338953), (39, 779651), (71, 428259), (79, 384891), (139, 218751), (213, 142753), (237, 128297), (417, 72917), (923, 32943), (1027, 29607), (1807, 16827), (2769, 10981), (3081, 9869), (5421, 5609)]