28342971

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 41793024

約数和(自身を除く): 13450053

約数列:

[1, 3, 9, 127, 137, 181, 381, 411, 543, 1143, 1233, 1629, 17399, 22987, 24797, 52197, 68961, 74391, 156591, 206883, 223173, 3149219, 9447657, 28342971]

約数ペア:

[(1, 28342971), (3, 9447657), (9, 3149219), (127, 223173), (137, 206883), (181, 156591), (381, 74391), (411, 68961), (543, 52197), (1143, 24797), (1233, 22987), (1629, 17399)]