1247691291

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{41231}}^1$

素因数の和:41383

約数の個数: 32

約数和(自身を含む): 2089967616

約数和(自身を除く): 842276325

約数列:

[1, 3, 7, 11, 21, 33, 77, 131, 231, 393, 917, 1441, 2751, 4323, 10087, 30261, 41231, 123693, 288617, 453541, 865851, 1360623, 3174787, 5401261, 9524361, 16203783, 37808827, 59413871, 113426481, 178241613, 415897097, 1247691291]

約数ペア:

[(1, 1247691291), (3, 415897097), (7, 178241613), (11, 113426481), (21, 59413871), (33, 37808827), (77, 16203783), (131, 9524361), (231, 5401261), (393, 3174787), (917, 1360623), (1441, 865851), (2751, 453541), (4323, 288617), (10087, 123693), (30261, 41231)]