28160091

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 41693184

約数和(自身を除く): 13533093

約数列:

[1, 3, 9, 71, 127, 213, 347, 381, 639, 1041, 1143, 3123, 9017, 24637, 27051, 44069, 73911, 81153, 132207, 221733, 396621, 3128899, 9386697, 28160091]

約数ペア:

[(1, 28160091), (3, 9386697), (9, 3128899), (71, 396621), (127, 221733), (213, 132207), (347, 81153), (381, 73911), (639, 44069), (1041, 27051), (1143, 24637), (3123, 9017)]