28861767

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1559}}^1$

素因数の和:1604

約数の個数: 36

約数和(自身を含む): 48550320

約数和(自身を除く): 19688553

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 363, 561, 1089, 1559, 1683, 2057, 4677, 6171, 14031, 17149, 18513, 26503, 51447, 79509, 154341, 188639, 238527, 291533, 565917, 874599, 1697751, 2623797, 3206863, 9620589, 28861767]

約数ペア:

[(1, 28861767), (3, 9620589), (9, 3206863), (11, 2623797), (17, 1697751), (33, 874599), (51, 565917), (99, 291533), (121, 238527), (153, 188639), (187, 154341), (363, 79509), (561, 51447), (1089, 26503), (1559, 18513), (1683, 17149), (2057, 14031), (4677, 6171)]