206812845

素因数分解:

$3^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{739}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 371770080

約数和(自身を除く): 164957235

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 691, 739, 2073, 2217, 3455, 3695, 6219, 6651, 10365, 11085, 18657, 19953, 31095, 33255, 55971, 59859, 93285, 99765, 279855, 299295, 510649, 1531947, 2553245, 4595841, 7659735, 13787523, 22979205, 41362569, 68937615, 206812845]

約数ペア:

[(1, 206812845), (3, 68937615), (5, 41362569), (9, 22979205), (15, 13787523), (27, 7659735), (45, 4595841), (81, 2553245), (135, 1531947), (405, 510649), (691, 299295), (739, 279855), (2073, 99765), (2217, 93285), (3455, 59859), (3695, 55971), (6219, 33255), (6651, 31095), (10365, 19953), (11085, 18657)]