2019999771

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137443}}^1$

素因数の和:137543

約数の個数: 24

約数和(自身を含む): 3087542016

約数和(自身を除く): 1067542245

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 4899, 14697, 137443, 412329, 1236987, 3161189, 9483567, 9758453, 28450701, 29275359, 87826077, 224444419, 673333257, 2019999771]

約数ペア:

[(1, 2019999771), (3, 673333257), (9, 224444419), (23, 87826077), (69, 29275359), (71, 28450701), (207, 9758453), (213, 9483567), (639, 3161189), (1633, 1236987), (4899, 412329), (14697, 137443)]