256366665

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{68639}}^1$

素因数の和:68733

約数の個数: 24

約数和(自身を含む): 449729280

約数和(自身を除く): 193362615

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 68639, 205917, 343195, 617751, 1029585, 3088755, 5697037, 17091111, 28485185, 51273333, 85455555, 256366665]

約数ペア:

[(1, 256366665), (3, 85455555), (5, 51273333), (9, 28485185), (15, 17091111), (45, 5697037), (83, 3088755), (249, 1029585), (415, 617751), (747, 343195), (1245, 205917), (3735, 68639)]