1280655

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 2246400

約数和(自身を除く): 965745

約数列:

[1, 3, 5, 9, 15, 45, 149, 191, 447, 573, 745, 955, 1341, 1719, 2235, 2865, 6705, 8595, 28459, 85377, 142295, 256131, 426885, 1280655]

約数ペア:

[(1, 1280655), (3, 426885), (5, 256131), (9, 142295), (15, 85377), (45, 28459), (149, 8595), (191, 6705), (447, 2865), (573, 2235), (745, 1719), (955, 1341)]