28491543

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 42887520

約数和(自身を除く): 14395977

約数列:

[1, 3, 9, 29, 87, 173, 261, 519, 631, 1557, 1893, 5017, 5679, 15051, 18299, 45153, 54897, 109163, 164691, 327489, 982467, 3165727, 9497181, 28491543]

約数ペア:

[(1, 28491543), (3, 9497181), (9, 3165727), (29, 982467), (87, 327489), (173, 164691), (261, 109163), (519, 54897), (631, 45153), (1557, 18299), (1893, 15051), (5017, 5679)]