28385511

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11171}}^1$

素因数の和:11203

約数の個数: 24

約数和(自身を含む): 47548032

約数和(自身を除く): 19162521

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 11171, 33513, 78197, 122881, 234591, 368643, 860167, 1351691, 2580501, 4055073, 9461837, 28385511]

約数ペア:

[(1, 28385511), (3, 9461837), (7, 4055073), (11, 2580501), (21, 1351691), (33, 860167), (77, 368643), (121, 234591), (231, 122881), (363, 78197), (847, 33513), (2541, 11171)]