17231347

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 22302720

約数和(自身を除く): 5071373

約数列:

[1, 7, 19, 23, 43, 131, 133, 161, 301, 437, 817, 917, 989, 2489, 3013, 3059, 5633, 5719, 6923, 17423, 18791, 21091, 39431, 57247, 107027, 129559, 131537, 400729, 749189, 906913, 2461621, 17231347]

約数ペア:

[(1, 17231347), (7, 2461621), (19, 906913), (23, 749189), (43, 400729), (131, 131537), (133, 129559), (161, 107027), (301, 57247), (437, 39431), (817, 21091), (917, 18791), (989, 17423), (2489, 6923), (3013, 5719), (3059, 5633)]