261640251

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{39769}}^1$

素因数の和:39835

約数の個数: 24

約数和(自身を含む): 409471920

約数和(自身を除く): 147831669

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 39769, 119307, 357921, 676073, 1710067, 2028219, 5130201, 6084657, 15390603, 29071139, 87213417, 261640251]

約数ペア:

[(1, 261640251), (3, 87213417), (9, 29071139), (17, 15390603), (43, 6084657), (51, 5130201), (129, 2028219), (153, 1710067), (387, 676073), (731, 357921), (2193, 119307), (6579, 39769)]