28719819

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{2423}}^1$

素因数の和:2871

約数の個数: 16

約数和(自身を含む): 42662400

約数和(自身を除く): 13942581

約数列:

[1, 3, 9, 27, 439, 1317, 2423, 3951, 7269, 11853, 21807, 65421, 1063697, 3191091, 9573273, 28719819]

約数ペア:

[(1, 28719819), (3, 9573273), (9, 3191091), (27, 1063697), (439, 65421), (1317, 21807), (2423, 11853), (3951, 7269)]