28771509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{25439}}^1$

素因数の和:25484

約数の個数: 16

約数和(自身を含む): 42739200

約数和(自身を除く): 13967691

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 25439, 76317, 330707, 737731, 992121, 2213193, 9590503, 28771509]

約数ペア:

[(1, 28771509), (3, 9590503), (13, 2213193), (29, 992121), (39, 737731), (87, 330707), (377, 76317), (1131, 25439)]