201291561

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1049}}^1$

素因数の和:1187

約数の個数: 40

約数和(自身を含む): 317116800

約数和(自身を除く): 115825239

約数列:

[1, 3, 9, 23, 27, 69, 81, 103, 207, 309, 621, 927, 1049, 1863, 2369, 2781, 3147, 7107, 8343, 9441, 21321, 24127, 28323, 63963, 72381, 84969, 108047, 191889, 217143, 324141, 651429, 972423, 1954287, 2485081, 2917269, 7455243, 8751807, 22365729, 67097187, 201291561]

約数ペア:

[(1, 201291561), (3, 67097187), (9, 22365729), (23, 8751807), (27, 7455243), (69, 2917269), (81, 2485081), (103, 1954287), (207, 972423), (309, 651429), (621, 324141), (927, 217143), (1049, 191889), (1863, 108047), (2369, 84969), (2781, 72381), (3147, 63963), (7107, 28323), (8343, 24127), (9441, 21321)]