28139721

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{3209}}^1$

素因数の和:3328

約数の個数: 16

約数和(自身を含む): 39033600

約数和(自身を除く): 10893879

約数列:

[1, 3, 37, 79, 111, 237, 2923, 3209, 8769, 9627, 118733, 253511, 356199, 760533, 9379907, 28139721]

約数ペア:

[(1, 28139721), (3, 9379907), (37, 760533), (79, 356199), (111, 253511), (237, 118733), (2923, 9627), (3209, 8769)]