28731921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{1129}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 40680000

約数和(自身を除く): 11948079

約数列:

[1, 3, 17, 51, 499, 1129, 1497, 3387, 8483, 19193, 25449, 57579, 563371, 1690113, 9577307, 28731921]

約数ペア:

[(1, 28731921), (3, 9577307), (17, 1690113), (51, 563371), (499, 57579), (1129, 25449), (1497, 19193), (3387, 8483)]