28876743

素因数分解:

$3^4\times 7^1\times {\mathrm{50929}}^1$

素因数の和:50948

約数の個数: 20

約数和(自身を含む): 49300240

約数和(自身を除く): 20423497

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 50929, 152787, 356503, 458361, 1069509, 1375083, 3208527, 4125249, 9625581, 28876743]

約数ペア:

[(1, 28876743), (3, 9625581), (7, 4125249), (9, 3208527), (21, 1375083), (27, 1069509), (63, 458361), (81, 356503), (189, 152787), (567, 50929)]