80643105

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 144864720

約数和(自身を除く): 64221615

約数列:

[1, 3, 5, 9, 15, 41, 45, 109, 123, 205, 327, 369, 401, 545, 615, 981, 1203, 1635, 1845, 2005, 3609, 4469, 4905, 6015, 13407, 16441, 18045, 22345, 40221, 43709, 49323, 67035, 82205, 131127, 147969, 201105, 218545, 246615, 393381, 655635, 739845, 1792069, 1966905, 5376207, 8960345, 16128621, 26881035, 80643105]

約数ペア:

[(1, 80643105), (3, 26881035), (5, 16128621), (9, 8960345), (15, 5376207), (41, 1966905), (45, 1792069), (109, 739845), (123, 655635), (205, 393381), (327, 246615), (369, 218545), (401, 201105), (545, 147969), (615, 131127), (981, 82205), (1203, 67035), (1635, 49323), (1845, 43709), (2005, 40221), (3609, 22345), (4469, 18045), (4905, 16441), (6015, 13407)]