51405621

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 76170240

約数和(自身を除く): 24764619

約数列:

[1, 3, 19, 23, 57, 69, 113, 339, 347, 437, 1041, 1311, 2147, 2599, 6441, 6593, 7797, 7981, 19779, 23943, 39211, 49381, 117633, 148143, 151639, 454917, 745009, 901853, 2235027, 2705559, 17135207, 51405621]

約数ペア:

[(1, 51405621), (3, 17135207), (19, 2705559), (23, 2235027), (57, 901853), (69, 745009), (113, 454917), (339, 151639), (347, 148143), (437, 117633), (1041, 49381), (1311, 39211), (2147, 23943), (2599, 19779), (6441, 7981), (6593, 7797)]