257872383

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{68711}}^1$

素因数の和:68859

約数の個数: 16

約数和(自身を含む): 384787200

約数和(自身を除く): 126914817

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 68711, 206133, 618399, 1855197, 9550829, 28652487, 85957461, 257872383]

約数ペア:

[(1, 257872383), (3, 85957461), (9, 28652487), (27, 9550829), (139, 1855197), (417, 618399), (1251, 206133), (3753, 68711)]