51071487

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 74680320

約数和(自身を除く): 23608833

約数列:

[1, 3, 19, 43, 57, 67, 129, 201, 311, 817, 933, 1273, 2451, 2881, 3819, 5909, 8643, 13373, 17727, 20837, 40119, 54739, 62511, 164217, 254087, 395903, 762261, 895991, 1187709, 2687973, 17023829, 51071487]

約数ペア:

[(1, 51071487), (3, 17023829), (19, 2687973), (43, 1187709), (57, 895991), (67, 762261), (129, 395903), (201, 254087), (311, 164217), (817, 62511), (933, 54739), (1273, 40119), (2451, 20837), (2881, 17727), (3819, 13373), (5909, 8643)]