71431263

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{947}}^1$

素因数の和:1016

約数の個数: 36

約数和(自身を含む): 113504040

約数和(自身を除く): 42072777

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 289, 493, 867, 947, 1479, 2601, 2841, 4437, 8381, 8523, 16099, 25143, 27463, 48297, 75429, 82389, 144891, 247167, 273683, 466871, 821049, 1400613, 2463147, 4201839, 7936807, 23810421, 71431263]

約数ペア:

[(1, 71431263), (3, 23810421), (9, 7936807), (17, 4201839), (29, 2463147), (51, 1400613), (87, 821049), (153, 466871), (261, 273683), (289, 247167), (493, 144891), (867, 82389), (947, 75429), (1479, 48297), (2601, 27463), (2841, 25143), (4437, 16099), (8381, 8523)]