2139255

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 3745872

約数和(自身を除く): 1606617

約数列:

[1, 3, 5, 9, 15, 45, 137, 347, 411, 685, 1041, 1233, 1735, 2055, 3123, 5205, 6165, 15615, 47539, 142617, 237695, 427851, 713085, 2139255]

約数ペア:

[(1, 2139255), (3, 713085), (5, 427851), (9, 237695), (15, 142617), (45, 47539), (137, 15615), (347, 6165), (411, 5205), (685, 3123), (1041, 2055), (1233, 1735)]