28160847

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21881}}^1$

素因数の和:21911

約数の個数: 24

約数和(自身を含む): 47790288

約数和(自身を除く): 19629441

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 21881, 65643, 196929, 240691, 284453, 722073, 853359, 2166219, 2560077, 3128983, 9386949, 28160847]

約数ペア:

[(1, 28160847), (3, 9386949), (9, 3128983), (11, 2560077), (13, 2166219), (33, 853359), (39, 722073), (99, 284453), (117, 240691), (143, 196929), (429, 65643), (1287, 21881)]