2138647545

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1284473}}^1$

素因数の和:1284521

約数の個数: 24

約数和(自身を含む): 3807180936

約数和(自身を除く): 1668533391

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 1284473, 3853419, 6422365, 11560257, 19267095, 47525501, 57801285, 142576503, 237627505, 427729509, 712882515, 2138647545]

約数ペア:

[(1, 2138647545), (3, 712882515), (5, 427729509), (9, 237627505), (15, 142576503), (37, 57801285), (45, 47525501), (111, 19267095), (185, 11560257), (333, 6422365), (555, 3853419), (1665, 1284473)]