1281049

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 16

約数和(自身を含む): 1622016

約数和(自身を除く): 340967

約数列:

[1, 7, 11, 77, 127, 131, 889, 917, 1397, 1441, 9779, 10087, 16637, 116459, 183007, 1281049]

約数ペア:

[(1, 1281049), (7, 183007), (11, 116459), (77, 16637), (127, 10087), (131, 9779), (889, 1441), (917, 1397)]