218919459

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{677}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 328043520

約数和(自身を除く): 109124061

約数列:

[1, 3, 11, 33, 41, 123, 239, 451, 677, 717, 1353, 2031, 2629, 7447, 7887, 9799, 22341, 27757, 29397, 83271, 107789, 161803, 305327, 323367, 485409, 915981, 1779833, 5339499, 6633923, 19901769, 72973153, 218919459]

約数ペア:

[(1, 218919459), (3, 72973153), (11, 19901769), (33, 6633923), (41, 5339499), (123, 1779833), (239, 915981), (451, 485409), (677, 323367), (717, 305327), (1353, 161803), (2031, 107789), (2629, 83271), (7447, 29397), (7887, 27757), (9799, 22341)]