8728785

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 16720704

約数和(自身を除く): 7991919

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 347, 387, 559, 585, 645, 1041, 1677, 1735, 1935, 2795, 3123, 4511, 5031, 5205, 8385, 13533, 14921, 15615, 22555, 25155, 40599, 44763, 67665, 74605, 134289, 193973, 202995, 223815, 581919, 671445, 969865, 1745757, 2909595, 8728785]

約数ペア:

[(1, 8728785), (3, 2909595), (5, 1745757), (9, 969865), (13, 671445), (15, 581919), (39, 223815), (43, 202995), (45, 193973), (65, 134289), (117, 74605), (129, 67665), (195, 44763), (215, 40599), (347, 25155), (387, 22555), (559, 15615), (585, 14921), (645, 13533), (1041, 8385), (1677, 5205), (1735, 5031), (1935, 4511), (2795, 3123)]