39864741

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 62819328

約数和(自身を除く): 22954587

約数列:

[1, 3, 7, 21, 43, 129, 131, 301, 337, 393, 903, 917, 1011, 2359, 2751, 5633, 7077, 14491, 16899, 39431, 43473, 44147, 101437, 118293, 132441, 304311, 309029, 927087, 1898321, 5694963, 13288247, 39864741]

約数ペア:

[(1, 39864741), (3, 13288247), (7, 5694963), (21, 1898321), (43, 927087), (129, 309029), (131, 304311), (301, 132441), (337, 118293), (393, 101437), (903, 44147), (917, 43473), (1011, 39431), (2359, 16899), (2751, 14491), (5633, 7077)]