261579969

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{4789}}^1$

素因数の和:4839

約数の個数: 48

約数和(自身を含む): 470569600

約数和(自身を除く): 208989631

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 289, 357, 459, 867, 1071, 2023, 2601, 3213, 4789, 6069, 7803, 14367, 18207, 33523, 43101, 54621, 81413, 100569, 129303, 244239, 301707, 569891, 732717, 905121, 1384021, 1709673, 2198151, 4152063, 5129019, 9688147, 12456189, 15387057, 29064441, 37368567, 87193323, 261579969]

約数ペア:

[(1, 261579969), (3, 87193323), (7, 37368567), (9, 29064441), (17, 15387057), (21, 12456189), (27, 9688147), (51, 5129019), (63, 4152063), (119, 2198151), (153, 1709673), (189, 1384021), (289, 905121), (357, 732717), (459, 569891), (867, 301707), (1071, 244239), (2023, 129303), (2601, 100569), (3213, 81413), (4789, 54621), (6069, 43101), (7803, 33523), (14367, 18207)]