12908277

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 20505420

約数和(自身を除く): 7597143

約数列:

[1, 3, 9, 19, 29, 57, 87, 137, 171, 261, 361, 411, 551, 1083, 1233, 1653, 2603, 3249, 3973, 4959, 7809, 10469, 11919, 23427, 31407, 35757, 49457, 75487, 94221, 148371, 226461, 445113, 679383, 1434253, 4302759, 12908277]

約数ペア:

[(1, 12908277), (3, 4302759), (9, 1434253), (19, 679383), (29, 445113), (57, 226461), (87, 148371), (137, 94221), (171, 75487), (261, 49457), (361, 35757), (411, 31407), (551, 23427), (1083, 11919), (1233, 10469), (1653, 7809), (2603, 4959), (3249, 3973)]