28497357

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{4003}}^1$

素因数の和:4129

約数の個数: 24

約数和(自身を含む): 47471424

約数和(自身を除く): 18974067

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 4003, 7119, 12009, 28021, 36027, 84063, 252189, 452339, 1357017, 3166373, 4071051, 9499119, 28497357]

約数ペア:

[(1, 28497357), (3, 9499119), (7, 4071051), (9, 3166373), (21, 1357017), (63, 452339), (113, 252189), (339, 84063), (791, 36027), (1017, 28021), (2373, 12009), (4003, 7119)]