28708533

素因数分解:

$3^3\times 7^1\times {\mathrm{151897}}^1$

素因数の和:151913

約数の個数: 16

約数和(自身を含む): 48607360

約数和(自身を除く): 19898827

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 151897, 455691, 1063279, 1367073, 3189837, 4101219, 9569511, 28708533]

約数ペア:

[(1, 28708533), (3, 9569511), (7, 4101219), (9, 3189837), (21, 1367073), (27, 1063279), (63, 455691), (189, 151897)]