168398019

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{18919}}^1$

素因数の和:18991

約数の個数: 24

約数和(自身を含む): 259733760

約数和(自身を除く): 91335741

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 8901, 18919, 56757, 170271, 435137, 813517, 1305411, 2440551, 3916233, 7321653, 18710891, 56132673, 168398019]

約数ペア:

[(1, 168398019), (3, 56132673), (9, 18710891), (23, 7321653), (43, 3916233), (69, 2440551), (129, 1305411), (207, 813517), (387, 435137), (989, 170271), (2967, 56757), (8901, 18919)]