28412391

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71209}}^1$

素因数の和:71238

約数の個数: 16

約数和(自身を含む): 45574400

約数和(自身を除く): 17162009

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71209, 213627, 498463, 1352971, 1495389, 4058913, 9470797, 28412391]

約数ペア:

[(1, 28412391), (3, 9470797), (7, 4058913), (19, 1495389), (21, 1352971), (57, 498463), (133, 213627), (399, 71209)]