81055485

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{28591}}^1$

素因数の和:28615

約数の個数: 40

約数和(自身を含む): 166062336

約数和(自身を除く): 85006851

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 28591, 85773, 142955, 200137, 257319, 428865, 600411, 771957, 1000685, 1286595, 1801233, 2315871, 3002055, 3859785, 5403699, 9006165, 11579355, 16211097, 27018495, 81055485]

約数ペア:

[(1, 81055485), (3, 27018495), (5, 16211097), (7, 11579355), (9, 9006165), (15, 5403699), (21, 3859785), (27, 3002055), (35, 2315871), (45, 1801233), (63, 1286595), (81, 1000685), (105, 771957), (135, 600411), (189, 428865), (315, 257319), (405, 200137), (567, 142955), (945, 85773), (2835, 28591)]