18274221

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3119}}^1$

素因数の和:3166

約数の個数: 32

約数和(自身を含む): 31948800

約数和(自身を除く): 13674579

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3119, 5859, 9357, 21833, 28071, 65499, 84213, 96689, 196497, 290067, 589491, 676823, 870201, 2030469, 2610603, 6091407, 18274221]

約数ペア:

[(1, 18274221), (3, 6091407), (7, 2610603), (9, 2030469), (21, 870201), (27, 676823), (31, 589491), (63, 290067), (93, 196497), (189, 96689), (217, 84213), (279, 65499), (651, 28071), (837, 21833), (1953, 9357), (3119, 5859)]