28687407

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31769}}^1$

素因数の和:31822

約数の個数: 16

約数和(自身を含む): 44732160

約数和(自身を除く): 16044753

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31769, 95307, 222383, 667149, 1366067, 4098201, 9562469, 28687407]

約数ペア:

[(1, 28687407), (3, 9562469), (7, 4098201), (21, 1366067), (43, 667149), (129, 222383), (301, 95307), (903, 31769)]