28471311

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5639}}^1$

素因数の和:5676

約数の個数: 32

約数和(自身を含む): 48729600

約数和(自身を除く): 20258289

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 5049, 5639, 16917, 50751, 62029, 95863, 152253, 186087, 287589, 558261, 862767, 1054493, 1674783, 2588301, 3163479, 9490437, 28471311]

約数ペア:

[(1, 28471311), (3, 9490437), (9, 3163479), (11, 2588301), (17, 1674783), (27, 1054493), (33, 862767), (51, 558261), (99, 287589), (153, 186087), (187, 152253), (297, 95863), (459, 62029), (561, 50751), (1683, 16917), (5049, 5639)]