28391739

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1733}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 39063552

約数和(自身を除く): 10671813

約数列:

[1, 3, 43, 127, 129, 381, 1733, 5199, 5461, 16383, 74519, 220091, 223557, 660273, 9463913, 28391739]

約数ペア:

[(1, 28391739), (3, 9463913), (43, 660273), (127, 223557), (129, 220091), (381, 74519), (1733, 16383), (5199, 5461)]