16960977

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 28753920

約数和(自身を除く): 11792943

約数列:

[1, 3, 9, 11, 19, 33, 57, 71, 99, 127, 171, 209, 213, 381, 627, 639, 781, 1143, 1349, 1397, 1881, 2343, 2413, 4047, 4191, 7029, 7239, 9017, 12141, 12573, 14839, 21717, 26543, 27051, 44517, 79629, 81153, 99187, 133551, 171323, 238887, 297561, 513969, 892683, 1541907, 1884553, 5653659, 16960977]

約数ペア:

[(1, 16960977), (3, 5653659), (9, 1884553), (11, 1541907), (19, 892683), (33, 513969), (57, 297561), (71, 238887), (99, 171323), (127, 133551), (171, 99187), (209, 81153), (213, 79629), (381, 44517), (627, 27051), (639, 26543), (781, 21717), (1143, 14839), (1349, 12573), (1397, 12141), (1881, 9017), (2343, 7239), (2413, 7029), (4047, 4191)]