28737519

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2221}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 40529280

約数和(自身を除く): 11791761

約数列:

[1, 3, 19, 57, 227, 681, 2221, 4313, 6663, 12939, 42199, 126597, 504167, 1512501, 9579173, 28737519]

約数ペア:

[(1, 28737519), (3, 9579173), (19, 1512501), (57, 504167), (227, 126597), (681, 42199), (2221, 12939), (4313, 6663)]