28774263

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{10789}}^1$

素因数の和:10926

約数の個数: 16

約数和(自身を含む): 44195840

約数和(自身を除く): 15421577

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 10789, 32367, 75523, 226569, 1370203, 4110609, 9591421, 28774263]

約数ペア:

[(1, 28774263), (3, 9591421), (7, 4110609), (21, 1370203), (127, 226569), (381, 75523), (889, 32367), (2667, 10789)]