16987539

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 8863341

約数列:

[1, 3, 17, 19, 47, 51, 57, 141, 323, 373, 799, 893, 969, 1119, 2397, 2679, 6341, 7087, 15181, 17531, 19023, 21261, 45543, 52593, 120479, 298027, 333089, 361437, 894081, 999267, 5662513, 16987539]

約数ペア:

[(1, 16987539), (3, 5662513), (17, 999267), (19, 894081), (47, 361437), (51, 333089), (57, 298027), (141, 120479), (323, 52593), (373, 45543), (799, 21261), (893, 19023), (969, 17531), (1119, 15181), (2397, 7087), (2679, 6341)]