9971143

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 13260800

約数和(自身を除く): 3289657

約数列:

[1, 7, 13, 19, 73, 79, 91, 133, 247, 511, 553, 949, 1027, 1387, 1501, 1729, 5767, 6643, 7189, 9709, 10507, 18031, 19513, 40369, 74971, 109573, 126217, 136591, 524797, 767011, 1424449, 9971143]

約数ペア:

[(1, 9971143), (7, 1424449), (13, 767011), (19, 524797), (73, 136591), (79, 126217), (91, 109573), (133, 74971), (247, 40369), (511, 19513), (553, 18031), (949, 10507), (1027, 9709), (1387, 7189), (1501, 6643), (1729, 5767)]