28428981

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79633}}^1$

素因数の和:79660

約数の個数: 16

約数和(自身を含む): 45869184

約数和(自身を除く): 17440203

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 79633, 238899, 557431, 1353761, 1672293, 4061283, 9476327, 28428981]

約数ペア:

[(1, 28428981), (3, 9476327), (7, 4061283), (17, 1672293), (21, 1353761), (51, 557431), (119, 238899), (357, 79633)]