28881333

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{769}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 17688267

約数列:

[1, 3, 9, 13, 27, 39, 107, 117, 321, 351, 769, 963, 1391, 2307, 2889, 4173, 6921, 9997, 12519, 20763, 29991, 37557, 82283, 89973, 246849, 269919, 740547, 1069679, 2221641, 3209037, 9627111, 28881333]

約数ペア:

[(1, 28881333), (3, 9627111), (9, 3209037), (13, 2221641), (27, 1069679), (39, 740547), (107, 269919), (117, 246849), (321, 89973), (351, 82283), (769, 37557), (963, 29991), (1391, 20763), (2307, 12519), (2889, 9997), (4173, 6921)]