211310729

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 260941824

約数和(自身を除く): 49631095

約数列:

[1, 7, 23, 43, 131, 161, 233, 301, 917, 989, 1631, 3013, 5359, 5633, 6923, 10019, 21091, 30523, 37513, 39431, 70133, 129559, 213661, 230437, 702029, 906913, 1312489, 1613059, 4914203, 9187423, 30187247, 211310729]

約数ペア:

[(1, 211310729), (7, 30187247), (23, 9187423), (43, 4914203), (131, 1613059), (161, 1312489), (233, 906913), (301, 702029), (917, 230437), (989, 213661), (1631, 129559), (3013, 70133), (5359, 39431), (5633, 37513), (6923, 30523), (10019, 21091)]