2688705

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 4703400

約数和(自身を除く): 2014695

約数列:

[1, 3, 5, 9, 15, 45, 149, 401, 447, 745, 1203, 1341, 2005, 2235, 3609, 6015, 6705, 18045, 59749, 179247, 298745, 537741, 896235, 2688705]

約数ペア:

[(1, 2688705), (3, 896235), (5, 537741), (9, 298745), (15, 179247), (45, 59749), (149, 18045), (401, 6705), (447, 6015), (745, 3609), (1203, 2235), (1341, 2005)]