81212103

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1367}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 143410176

約数和(自身を除く): 62198073

約数列:

[1, 3, 7, 9, 21, 23, 41, 63, 69, 123, 161, 207, 287, 369, 483, 861, 943, 1367, 1449, 2583, 2829, 4101, 6601, 8487, 9569, 12303, 19803, 28707, 31441, 56047, 59409, 86121, 94323, 168141, 220087, 282969, 392329, 504423, 660261, 1176987, 1289081, 1980783, 3530961, 3867243, 9023567, 11601729, 27070701, 81212103]

約数ペア:

[(1, 81212103), (3, 27070701), (7, 11601729), (9, 9023567), (21, 3867243), (23, 3530961), (41, 1980783), (63, 1289081), (69, 1176987), (123, 660261), (161, 504423), (207, 392329), (287, 282969), (369, 220087), (483, 168141), (861, 94323), (943, 86121), (1367, 59409), (1449, 56047), (2583, 31441), (2829, 28707), (4101, 19803), (6601, 12303), (8487, 9569)]