661128999

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{76493}}^1$

素因数の和:76606

約数の個数: 16

約数和(自身を含む): 915480192

約数和(自身を除く): 254351193

約数列:

[1, 3, 43, 67, 129, 201, 2881, 8643, 76493, 229479, 3289199, 5125031, 9867597, 15375093, 220376333, 661128999]

約数ペア:

[(1, 661128999), (3, 220376333), (43, 15375093), (67, 9867597), (129, 5125031), (201, 3289199), (2881, 229479), (8643, 76493)]