856551681

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{37573}}^1$

素因数の和:37745

約数の個数: 24

約数和(自身を含む): 1318847400

約数和(自身を除く): 462295719

約数列:

[1, 3, 9, 17, 51, 149, 153, 447, 1341, 2533, 7599, 22797, 37573, 112719, 338157, 638741, 1916223, 5598377, 5748669, 16795131, 50385393, 95172409, 285517227, 856551681]

約数ペア:

[(1, 856551681), (3, 285517227), (9, 95172409), (17, 50385393), (51, 16795131), (149, 5748669), (153, 5598377), (447, 1916223), (1341, 638741), (2533, 338157), (7599, 112719), (22797, 37573)]