3871845

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 6770400

約数和(自身を除く): 2898555

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 619, 695, 1251, 1857, 2085, 3095, 5571, 6255, 9285, 27855, 86041, 258123, 430205, 774369, 1290615, 3871845]

約数ペア:

[(1, 3871845), (3, 1290615), (5, 774369), (9, 430205), (15, 258123), (45, 86041), (139, 27855), (417, 9285), (619, 6255), (695, 5571), (1251, 3095), (1857, 2085)]