51261411

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 76423680

約数和(自身を除く): 25162269

約数列:

[1, 3, 19, 23, 57, 61, 69, 183, 437, 641, 1159, 1311, 1403, 1923, 3477, 4209, 12179, 14743, 26657, 36537, 39101, 44229, 79971, 117303, 280117, 742919, 840351, 899323, 2228757, 2697969, 17087137, 51261411]

約数ペア:

[(1, 51261411), (3, 17087137), (19, 2697969), (23, 2228757), (57, 899323), (61, 840351), (69, 742919), (183, 280117), (437, 117303), (641, 79971), (1159, 44229), (1311, 39101), (1403, 36537), (1923, 26657), (3477, 14743), (4209, 12179)]