1187520981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{400243}}^1$

素因数の和:400312

約数の個数: 16

約数和(自身を含む): 1690630656

約数和(自身を除く): 503109675

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 400243, 1200729, 9205589, 17210449, 27616767, 51631347, 395840327, 1187520981]

約数ペア:

[(1, 1187520981), (3, 395840327), (23, 51631347), (43, 27616767), (69, 17210449), (129, 9205589), (989, 1200729), (2967, 400243)]