28181505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15527}}^1$

素因数の和:15557

約数の個数: 24

約数和(自身を含む): 49565376

約数和(自身を除く): 21383871

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 15527, 46581, 77635, 170797, 232905, 512391, 853985, 1878767, 2561955, 5636301, 9393835, 28181505]

約数ペア:

[(1, 28181505), (3, 9393835), (5, 5636301), (11, 2561955), (15, 1878767), (33, 853985), (55, 512391), (121, 232905), (165, 170797), (363, 77635), (605, 46581), (1815, 15527)]