128539557

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{347}}^1\times {\mathrm{521}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 188922240

約数和(自身を除く): 60382683

約数列:

[1, 3, 9, 79, 237, 347, 521, 711, 1041, 1563, 3123, 4689, 27413, 41159, 82239, 123477, 180787, 246717, 370431, 542361, 1627083, 14282173, 42846519, 128539557]

約数ペア:

[(1, 128539557), (3, 42846519), (9, 14282173), (79, 1627083), (237, 542361), (347, 370431), (521, 246717), (711, 180787), (1041, 123477), (1563, 82239), (3123, 41159), (4689, 27413)]