80327745

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{15797}}^1$

素因数の和:15921

約数の個数: 24

約数和(自身を含む): 140475816

約数和(自身を除く): 60148071

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 5085, 15797, 47391, 78985, 142173, 236955, 710865, 1785061, 5355183, 8925305, 16065549, 26775915, 80327745]

約数ペア:

[(1, 80327745), (3, 26775915), (5, 16065549), (9, 8925305), (15, 5355183), (45, 1785061), (113, 710865), (339, 236955), (565, 142173), (1017, 78985), (1695, 47391), (5085, 15797)]