28998921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72679}}^1$

素因数の和:72708

約数の個数: 16

約数和(自身を含む): 46515200

約数和(自身を除く): 17516279

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72679, 218037, 508753, 1380901, 1526259, 4142703, 9666307, 28998921]

約数ペア:

[(1, 28998921), (3, 9666307), (7, 4142703), (19, 1526259), (21, 1380901), (57, 508753), (133, 218037), (399, 72679)]