27888925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 36908352

約数和(自身を除く): 9019427

約数列:

[1, 5, 17, 25, 85, 211, 311, 425, 1055, 1555, 3587, 5275, 5287, 7775, 17935, 26435, 65621, 89675, 132175, 328105, 1115557, 1640525, 5577785, 27888925]

約数ペア:

[(1, 27888925), (5, 5577785), (17, 1640525), (25, 1115557), (85, 328105), (211, 132175), (311, 89675), (425, 65621), (1055, 26435), (1555, 17935), (3587, 7775), (5275, 5287)]