128668023

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{2647}}^1$

素因数の和:3155

約数の個数: 24

約数和(自身を含む): 203239296

約数和(自身を除く): 74571273

約数列:

[1, 3, 9, 11, 33, 99, 491, 1473, 2647, 4419, 5401, 7941, 16203, 23823, 29117, 48609, 87351, 262053, 1299677, 3899031, 11697093, 14296447, 42889341, 128668023]

約数ペア:

[(1, 128668023), (3, 42889341), (9, 14296447), (11, 11697093), (33, 3899031), (99, 1299677), (491, 262053), (1473, 87351), (2647, 48609), (4419, 29117), (5401, 23823), (7941, 16203)]