207820971

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4079}}^1$

素因数の和:4145

約数の個数: 40

約数和(自身を含む): 337677120

約数和(自身を除く): 129856149

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 153, 333, 459, 629, 999, 1377, 1887, 2997, 4079, 5661, 12237, 16983, 36711, 50949, 69343, 110133, 150923, 208029, 330399, 452769, 624087, 1358307, 1872261, 2565691, 4074921, 5616783, 7697073, 12224763, 23091219, 69273657, 207820971]

約数ペア:

[(1, 207820971), (3, 69273657), (9, 23091219), (17, 12224763), (27, 7697073), (37, 5616783), (51, 4074921), (81, 2565691), (111, 1872261), (153, 1358307), (333, 624087), (459, 452769), (629, 330399), (999, 208029), (1377, 150923), (1887, 110133), (2997, 69343), (4079, 50949), (5661, 36711), (12237, 16983)]