80986005

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21683}}^1$

素因数の和:21777

約数の個数: 24

約数和(自身を含む): 142073568

約数和(自身を除く): 61087563

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 21683, 65049, 108415, 195147, 325245, 975735, 1799689, 5399067, 8998445, 16197201, 26995335, 80986005]

約数ペア:

[(1, 80986005), (3, 26995335), (5, 16197201), (9, 8998445), (15, 5399067), (45, 1799689), (83, 975735), (249, 325245), (415, 195147), (747, 108415), (1245, 65049), (3735, 21683)]