131809923

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7499}}^1$

素因数の和:7549

約数の個数: 40

約数和(自身を含む): 232320000

約数和(自身を除く): 100510077

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1953, 2511, 5859, 7499, 17577, 22497, 52493, 67491, 157479, 202473, 232469, 472437, 607419, 697407, 1417311, 1627283, 2092221, 4251933, 4881849, 6276663, 14645547, 18829989, 43936641, 131809923]

約数ペア:

[(1, 131809923), (3, 43936641), (7, 18829989), (9, 14645547), (21, 6276663), (27, 4881849), (31, 4251933), (63, 2092221), (81, 1627283), (93, 1417311), (189, 697407), (217, 607419), (279, 472437), (567, 232469), (651, 202473), (837, 157479), (1953, 67491), (2511, 52493), (5859, 22497), (7499, 17577)]