28167111

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2777}}^1$

素因数の和:2820

約数の個数: 36

約数和(自身を含む): 49403952

約数和(自身を除く): 21236841

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 2777, 3381, 8331, 10143, 19439, 24993, 58317, 63871, 136073, 174951, 191613, 408219, 447097, 574839, 1224657, 1341291, 3129679, 4023873, 9389037, 28167111]

約数ペア:

[(1, 28167111), (3, 9389037), (7, 4023873), (9, 3129679), (21, 1341291), (23, 1224657), (49, 574839), (63, 447097), (69, 408219), (147, 191613), (161, 174951), (207, 136073), (441, 63871), (483, 58317), (1127, 24993), (1449, 19439), (2777, 10143), (3381, 8331)]