1225191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 1801728

約数和(自身を除く): 576537

約数列:

[1, 3, 11, 33, 137, 271, 411, 813, 1507, 2981, 4521, 8943, 37127, 111381, 408397, 1225191]

約数ペア:

[(1, 1225191), (3, 408397), (11, 111381), (33, 37127), (137, 8943), (271, 4521), (411, 2981), (813, 1507)]