28668255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{24821}}^1$

素因数の和:24847

約数の個数: 32

約数和(自身を含む): 57189888

約数和(自身を除く): 28521633

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 24821, 74463, 124105, 173747, 273031, 372315, 521241, 819093, 868735, 1365155, 1911217, 2606205, 4095465, 5733651, 9556085, 28668255]

約数ペア:

[(1, 28668255), (3, 9556085), (5, 5733651), (7, 4095465), (11, 2606205), (15, 1911217), (21, 1365155), (33, 868735), (35, 819093), (55, 521241), (77, 372315), (105, 273031), (165, 173747), (231, 124105), (385, 74463), (1155, 24821)]