18085221

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8699}}^1$

素因数の和:8726

約数の個数: 32

約数和(自身を含む): 33408000

約数和(自身を除く): 15322779

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 8699, 26097, 60893, 78291, 95689, 182679, 234873, 287067, 548037, 669823, 861201, 1644111, 2009469, 2583603, 6028407, 18085221]

約数ペア:

[(1, 18085221), (3, 6028407), (7, 2583603), (9, 2009469), (11, 1644111), (21, 861201), (27, 669823), (33, 548037), (63, 287067), (77, 234873), (99, 182679), (189, 95689), (231, 78291), (297, 60893), (693, 26097), (2079, 8699)]