78327123

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 123273216

約数和(自身を除く): 44946093

約数列:

[1, 3, 7, 21, 43, 127, 129, 301, 381, 683, 889, 903, 2049, 2667, 4781, 5461, 14343, 16383, 29369, 38227, 86741, 88107, 114681, 205583, 260223, 607187, 616749, 1821561, 3729863, 11189589, 26109041, 78327123]

約数ペア:

[(1, 78327123), (3, 26109041), (7, 11189589), (21, 3729863), (43, 1821561), (127, 616749), (129, 607187), (301, 260223), (381, 205583), (683, 114681), (889, 88107), (903, 86741), (2049, 38227), (2667, 29369), (4781, 16383), (5461, 14343)]