28004409

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2293}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 42943680

約数和(自身を除く): 14939271

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 2293, 4071, 6879, 12213, 20637, 52739, 135287, 158217, 405861, 474651, 1217583, 3111601, 9334803, 28004409]

約数ペア:

[(1, 28004409), (3, 9334803), (9, 3111601), (23, 1217583), (59, 474651), (69, 405861), (177, 158217), (207, 135287), (531, 52739), (1357, 20637), (2293, 12213), (4071, 6879)]