28513209

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 38727360

約数和(自身を除く): 10214151

約数列:

[1, 3, 101, 139, 303, 417, 677, 2031, 14039, 42117, 68377, 94103, 205131, 282309, 9504403, 28513209]

約数ペア:

[(1, 28513209), (3, 9504403), (101, 282309), (139, 205131), (303, 94103), (417, 68377), (677, 42117), (2031, 14039)]