18016911

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 29870544

約数和(自身を除く): 11853633

約数列:

[1, 3, 9, 11, 27, 33, 73, 81, 99, 219, 277, 297, 657, 803, 831, 891, 1971, 2409, 2493, 3047, 5913, 7227, 7479, 9141, 20221, 21681, 22437, 27423, 60663, 65043, 82269, 181989, 222431, 246807, 545967, 667293, 1637901, 2001879, 6005637, 18016911]

約数ペア:

[(1, 18016911), (3, 6005637), (9, 2001879), (11, 1637901), (27, 667293), (33, 545967), (73, 246807), (81, 222431), (99, 181989), (219, 82269), (277, 65043), (297, 60663), (657, 27423), (803, 22437), (831, 21681), (891, 20221), (1971, 9141), (2409, 7479), (2493, 7227), (3047, 5913)]