16388127

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13691}}^1$

素因数の和:13723

約数の個数: 24

約数和(自身を含む): 28479360

約数和(自身を除く): 12091233

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 13691, 41073, 95837, 123219, 260129, 287511, 780387, 862533, 1820903, 2341161, 5462709, 16388127]

約数ペア:

[(1, 16388127), (3, 5462709), (7, 2341161), (9, 1820903), (19, 862533), (21, 780387), (57, 287511), (63, 260129), (133, 123219), (171, 95837), (399, 41073), (1197, 13691)]